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Research Category

A. Solid-state lasers 1 (non ceramic)

B. Solid-state lasers 2 (ceramic lasers)

C. Fiber lasers

D. Ultra-short pulse lasers and their applications

E. Warm dense matters, Plasma optics, X-ray optics

F. Frequency stabilized lasers and their applications

G. Ultra cold atoms and Quantum optics

H. Highly charged ions and their applications

Publication category

(J) Journal Articles

(RP) Refereed International Conference Proceedings

(P) International Conference Proceedings

(B) Book Chapter

.

2022

H. Highly charged ions and their applications

Giant retardation effect in electron-electron interaction

Zhimin Hu, Gang Xiong, Zhencen He, Zhihao Yang, Naoki Numadate, Chengwu Huang, Jiamin Yang, Ke Yao, Baoren Wei, Yaming Zou, Chensheng Wu, Yulong Ma, Yong Wu, Xiang Gao, and Nobuyuki Nakamura

Phys. Rev. A 105, L030801(2022)

2021

A. Solid-state lasers 1 (non ceramic)

Sub-6 optical-cycle Kerr-lens mode-locked Tm:Lu2O3 and Tm:Sc2O3 combined gain media laser at 2.1 μm

Anna Suzuki, Christian Kränkel, and Masaki Tokurakawa

Opt. Express 29, 19465-19471 (2021)

Current status of space gravitational wave antenna DECIGO and B-DECIGO

S.Kawamura, M.Ando, S.Sato, M.Musha et.al.

Progress on Theoretical and Experimental Physics, 05A105 (2021)

Deep Reinforcement Learning for Tiled Aperture Beam Combining in a Simulated Environment

Henrik Tünnermann and Akira Shirakawa

J. Phys: Photonics vol. 3, no.1, 015004 (2021)

Analysis of coherent dynamics of a Rydbergatom quantum simulator

Hikaru Tamura, Tomotake Yamakoshi, and Ken'ichi Nakagawa

Physical Review A 101, 043421 (2021)

レーザー加工のための波長2µm帯短パルスTmレーザー光源の開発

戸倉川正樹、鈴木杏奈、矢津田匠海

レーザー加工学会誌 28巻、3-8 (2021)

次世代量子慣性センサー

中川賢一

量子センシングハンドブック 監修 根来 誠、(株)エヌ・テ ィー・エス、p.193-p203、2021年3月

2020

A. Solid-state lasers 1 (non ceramic)

High quality-factor Kerr-lens mode-locked Tm:Sc2O3 single crystal laser with anomalous spectral broadening

A. Suzuki, C. Kränkel, and M. Tokurakawa

Appl. Phys. Express,13,052007 (2020)

E. Warm dense matters, Plasma optics, X-ray optics

Ultra high damage threshold optics for high power lasers

Yurina Michine and Hitoki Yoneda

COMMUNICATIONS PHYSICS 3, Article number: 24 (2020)

Collisional-radiative modeling of the 5p -5s spectrum of W xiv-W xvi ions

Xiaobin Ding, Fengling Zhang, Yang Yang, Ling Zhang, Fumihiro Koike, Izumi Murakami, Daiji Kato, Hiroyuki A. Sakaue, Nobuyuki Nakamura, and Chenzhong Dong

Phys. Rev. A 101, 042509 (2020)

5p-4f level crossing in palladium-like ions and its effect on metastable states

Naoki Kimura, Ryunosuke Kodama, Priti, Naoki Numadate, Kento Suzuki, Masashi Monobe, and Nobuyuki Nakamura

Phys. Rev. A 102, 032807 (2020)

Direct measurements for the fine-structure splitting of S viii and Cl ix

Q. Lu, C. L. Yan, G. Q. Xu, N. Fu, Y. Yang, Y. Zou, A. V. Volotka, J. Xiao, N. Nakamura, and R. Hutton

Phys. Rev. A 102, 042817 (2020)

Identification of visible lines from multiply charged W8+ and W9+ ions

Priti, Momoe Mita, Daiji Kato, Izumi Murakami, Hiroyuki A. Sakaue, and Nobuyuki Nakamura

Phys. Rev. A 102, 042818 (2020)

Highly sensitive detection of H2O adsorbed on Si(111)7×7 and Si(100)2×1 surfaces by means of slow highly charged Xe ions

Satoshi Takahashi, MasahideTona, Nobuyuki Nakamura, Chikashi Yamada, Makoto Sakurai, Shunsuke Ohtani

Surface Science 707, 121785 (2020)

可飽和吸収体による位相同期モード同期マルチコアフォトニック結晶ファイバーレーザー

川村朋稔、白川晃

レーザー学会第548回研究会報告「ファイバーレーザー技術」, RTM-20-19 (2020)

波長2μm帯ナノ秒、フェムト秒短パルスTmレーザー光源の開発

戸倉川正樹

天田財団「FORM TECH REVIEW 2019」29, 105-110 (2020)

2019

C. Fiber lasers

Dual-wavelength-pumped Tm3+-doped ZBLAN fiber MOPA at 813 nm

Eiji Kajikawa, Tomohiro Ishii, Takashi Kubo, Yu-ichi Takeuchi, Kazuhiko Ogawa, Mitsuru Musha

Optics Letters vol.44 pp.2875-2878 (2019)

Deep reinforcement learning for coherent beam combining applications

H. Tunnermann and A. Shirakawa

Optics Express 27, 19530-19535 (2019)

All-normal-dispersion nonlinear polarization rotation mode-locked Tm:ZBLAN fiber laser

Masaki Tokurakawa, Hiromu Sagara, and Henrik Tünnermann

Optics Express vol. 27, no.17, 24223-24230 (2019)

F. Frequency stabilized lasers and their applications

Optical–optical double-resonance dual-comb spectroscopy with pump-intensity modulation

Akiko Nishiyama,Yoshiaki Nakajima, Ken’ichi Nakagawa, Atsushi Onae, Hiroyuki Sasada, and Kaoru Minoshima

Optics Express, 27, 37003 (2019)

H. Highly charged ions and their applications

Direct determination of the energy of the first excited fine-structure level in Ba6+

N. Kimura, R. Kodama, K. Suzuki, S. Oishi, M. Wada, K. Okada, N. Ohmae, H. Katori, and N. Nakamura

Phys. Rev. A, 100, 052508(2019)

Observation of electric octupole emission lines strongly enhanced by the anomalous behaviour of a cascading contribution

Hiroyuki A. Sakaue, Daiji Kato, Izumi Murakami, Hayato Ohashi, and Nobuyuki Nakamura

Phys. Rev. A, 100, 052515 (2019)

光コムを用いた高性能分光計測法― デュアルコム分光計はFTIRを駆逐するか

佐々田博之, 岩國加奈

光学、vol. 48, No. 11, p.457-461 (2019)

Dissipative soliton generation in Er-doped fibre laser using SnS2 as saturable absorber

S. Li, Y. Yin, Q. Ouyang, Y. Chen, E. Lewis, G. Farrell, M. Tokurakawa, S. W. Harun and P. Wang

Applied Physics Express 12, 102008- (2019)

Investigation of Dy3+/Tm3+ co-doped ZrF4-BaF2-YF3-AlF3 fluoride glass for efficient 2.9 μm mid-infrared laser applications

H. Zhao, S. Jia, X. Wang, R. Wang, X.Lu, Y.Fan, M.Tokurakawa, G. Brambilla, S. Wang, P. Wang

Journal of Alloys and Compounds 815, 152754- (2019)

A Tm3+-doped ZrF4-BaF2-YF3-AlF3 glass microsphere laser in the 2.0 μm wavelength region

H.Y.Zhao, A.Z.Li, Y.T.Yi, M.Tokurakawa, G.Brambilla, S.J.Jia, S.B.Wang, and P.F.Wang

Journal of Luminescence 212, 207-211 (2019)

Nanosecond passively Q-switched fibre laser using a NiS2 based saturable absorber

Shi Li, Yu Yin, Qiuyun Ouyang, Guicang Ran, Yujin Chen, Elfed Lewis, Gerald Farrell, Masaki Tokurakawa, Sulaiman Wadi Harun, and Pengfei Wang

Optics Express 27, 19843-19851 (2019)

Dual-wavelength mode-locked erbium-doped fiber laser based on tin disulfide thin film as saturable absorber

Shi Li, Yu Yin, Guicang Ran, Qiuyun Ouyang, Yujin Chen, Masaki Tokurakawa, Elfed Lewis, Sulaiman Wadi Harun, and Pengfei Wang

Journal of Applied Physics 125, 243104- (2019)

All-normal-dispersion nonlinear polarization rotation mode-locked Tm:ZBLAN fiber laser

M. Tokurakawa, H. Sagara, and H. Tünnermann

Optics Express. 27, 19530-19535 (2019)

Coherent interaction of orthogonal polarization modes in a photonic crystal nanofiber cavity

Jameesh Keloth, Kali P Nayak, Jie Wang, Makoto Morinaga, Kohzo Hakuta

Optics express 27, 1453-1466 (2019)

Comb-resolved spectroscopy with immersion grating in long-wave infrared

K. Iwakuni, T. Q. Bui, J. F. Niedermeyer, T. Sukegawa, J. Ye

Optics Express 27, 1911 (2019)

Direct Wavelength Measurement of the Visible M1 Transition in Ba7+ with a Novel Calibration Method

Naoki KIMURA, Ryunosuke KODAMA, Kento SUZUKI, Shimpei OISHI, Michiharu WADA, Kunihiro OKADA, Noriaki OHMAE, Hidetoshi KATORI and Nobuyuki NAKAMURA

Plasma and Fusion Research 14, 1201021 (2019)

2018

A. Solid-state lasers 1 (non ceramic)

Avalanche parametric conversion and white spectrum generation from infrared femtosecond pulses in glasses

Daniela A. Georgieva, Todor. S. Petrov, Hitoki Yoneda, Rakish Shikne, Nikolay N. Nedyalkov, and Lubomir M. Kovachev

Optics Express, 26-13, 17649-17661 (2018)

D. Ultra-short pulse lasers and their applications

α-LiAlSi2O6 - A new natural SRS-active crystal with three χ(3)-promoting vibrational modes

Alexander A. Kaminskii, Ladislav Bohatý, Eugen Libowitzky, Hanjo Rhee, Oliver Lux, Hans J. Eichler, Reiner Kleinschrodt, Hitoki Yoneda, Akira Shirakawa, Petra Becker, Spodumene

Optical Materials, Volume 78, April, p.235-246 (2018)

Sub-100 fs pulse generation from a Kerr-lens mode-locked Yb:Lu2O3 ceramic thin-disk laser

S. Kitajima, A. Shirakawa, H. Yagi, T. Yanagitani

Optics Letters 43, 5451-5454 (2018)

Collisional radiative model for the M1 transition spectrum of the highly-charged W54+ ions

Xiaobin Ding, Jiaoxia Yanga, Linfan Zhu, Fumihiro Koike, Izumi Murakami, Daiji Kato, Hiroyuki A. Sakaue, Nobuyuki Nakamura, Chenzhong Dong

Physics Letters A 382, 2321-2325 (2018)

ファイバレーザの高出力化のためのコヒーレントビーム結合

白川晃

レーザー協会誌vol.43, no.1, 10-15 (2018)

リュードベリ原子を用いた量子シミュレーション

中川賢一、田村光

パリティ 33巻、37-39 (2018)

量子技術のための単一冷却原子・イオンの操作

中川賢一

光学 47巻、246-282(2018)

3Dプリンタで作る2次元電動ステージ

森永実

分光研究 67, 200-201 (2018)

2017

A. Solid-state lasers 1 (non ceramic)

Observation of stimulated Raman scattering in polar tetragonal crystals of barium antimony tartrate trihydrate Ba[Sb2((+)C4H2O6)2]·3H2O

Alexander A. Kaminskii, Hanjo Rhee, Hans J. Eichler , Oliver Lux, Ivan Němec, Hitoki Yoneda, Akira Shirakawa, Petra Becker, Ladislav Bohatý

Ann. Phys. (Berlin) S29, No.4,1600295 (2017)


Conical refraction, for annular pumping of an efficient vortex Nd:YAG laser

G. Li, K. Xia, Z. Wang, H. Shen, A. Shirakawa, K. Ueda, J. Li

Laser Physics Letters 14, 075001 (2017)

B. Solid-state lasers 2 (ceramic lasers)

Yb3+-doped CaF2-LaF3 ceramics laser

S. Kitajima, K. Yamakado, A. Shirakawa, K. Ueda, Y. Ezura, H. Ishizawa

Optics Letters 42, 1724-1727 (2017)

C. Fiber lasers

Delay line coherent pulse stacking

H. Tunnermann and A. Shirakawa

Optics Letters 42, 4829-4832 (2017)


Generation of 300 nm bandwidth 0.5 mJ pulses near 1 μm in a single stage gas filled hollow core fiber

X. Guo, S. Tokita, K. Yoshii, H. Nishioka, and J. Kawanaka

Optics Express vol. 25, No. 18, pp. 21171-21179 (2017)

E. Warm dense matters, Plasma optics, X-ray optics

Compton Scattering measurement to detect momentum distribution of electrons in warm dense matter

Hitoki Yoneda and Shigeaki Nishio

Plasma and Fusion Research, 12, 1303002-1-1303002-4 (2017)

F. Frequency stabilized lasers and their applications

Developments of highly frequency and intensity stabilized lasers for space gravitational wave detector DECIGO/B-DECIGO

A.Suemasa, A.Shimo-oku, K.Nakagawa, M.Musha

CEAS space journal, 9, 475-491 (2017)

Space gravitational wave detector DECIGO and B-DECIGO

M.Musha, DECIGO collaborations

CEAS space journal, 9, 371-377 (2017)

2012

A. Solid-state lasers 1 (non ceramic)

High-order stimulated Raman scattering in tetragonal CaYAlO4 crystal-host for Ln3+-lasant ions

A.A. Kaminskii, X. Xu, O. Lux, H. Rhee, H.J. Eichler, J. Zhang, D. Zhou, A. Shirakawa, K. Ueda, and J. Xu

Laser Phys. Lett. 9, 306-311 (2012)


Radially polarized, actively Q-switched, and end-pumped Nd:YAG laser

K. G. Xia, K.-I. Ueda, and J. L. Li

Appl. Phys. B107, 47-51 (2012)

B. Solid-state lasers 2 (ceramic lasers)

Continuous wave and mode-locked Yb3+:Y2O3 ceramic thin disk laser

Masaki Tokurakawa, Akira Shirakawa, Ken-ichi Ueda, Hideki Yagi, Takagimi Yanagitani, Alexander A. Kaminskii, Kolja Beil, Christian Kränkel, and Günter Huber

Opt. Express 20, 10847-10853 (2012)


Investigation of continuous-wave and Q-switched microchip laser characteristics of Yb:YAG ceramics and crystals

Jun Dong, Guozhang Xu, Jian Ma, Mengjun Cao, Ying Cheng, Ken-ichi Ueda, Hideki Yagi, Alexander A. Kaminskii

Optical Materials 34, 959-964 (2012)

H. Highly charged ions and their applications

Lines from highly charged tungsten ions observed in the visible region between 340 and 400 nm

Hirofumi Watanabe,Nobuyuki Nakamura, Daiji Kato, Hiroyuki A. Sakaue, Shunsuke Ohtani

Can. J. Phys. 90, 497-501 (2012)


Experimental Demonstration of the Breit Interaction which Dominates the Angular Distribution of X-ray Emission in Dielectronic Recombination

Zhimin Hu, Xiaoying Han, Yueming Li, Daiji Kato, Xiaomin Tong, and Nobuyuki Nakamura

Phys. Rev. Lett. 108, 073002 (2012)


M1 transition energies and probabilities between the multiplets of the ground state of Ag-like ions with Z=47-92

Xiao-Bin Ding, Fumihiro Koike, Izumi Murakami, Daiji Kato, Hiroyuki A Sakaue, Chen-Zhong Dong and Nobuyuki Nakamura

J. Phys. B 45, 35003 (2012)

2011

A. Solid-state lasers 1 (non ceramic)

Many-phonon stimulated Raman scattering and related cascaded and cross-cascaded χ(3)-nonlinear optical effects in melilite-type crystal Ca2ZnSi2O7

A.A. Kaminskii, H. Rhee, O. Lux, H.J. Eichler, L. Bohatý, P. Becker, J. Liebertz, K. Ueda, A. Shirakawa, V.V. Koltashev, J. Hanuza, J. Dong, and D.B. Stavrovskii

Laser Phys. Lett. 8, 859-874 (2011)


Indirect approach for the calculation of luminescence from optical structures driven out of thermal equilibrium

Jean-François Bisson and Ken-Ichi Ueda

J. Opt. Soc. Am. B 28, 2456-2464 (2011)


Efficient, nanosecond self-Q-switched Cr,Yb:YAG lasers by bonding Yb:YAG crystal

J.Y. Zhou, J. Ma, J. Dong, Y. Cheng, K. Ueda, and A.A. Kaminskii

Laser Phys. Lett. 8, 591-597 (2011)


1.29-W radially polarized and bonded Nd:YAG crystal laser

K.G. Xia, K. Ueda, and J.L. Li

Laser Phys. Lett. 8, 354-357 (2011)


Manifestations of new χ(3)- and χ(2)-nonlinear optical interactions and (2)-properties of orthorhombic bis(guanidinium) zirconium bis(nitrilotriacetate) hydrate, [C(NH2)3]2Zr[N(CH2COO)3]2•H2O crystal

Alexander A. Kaminskii, Lkhamsuren Bayarjargal, Eiken Haussühl, Nicole Müller, Siegfried Haussüh, Hans J. Eichler, Hanjo Rhee, Ken-ichi Ueda, Akira Shirakawa, and Georg A. Reider

Phys. Status Solidi A 208, 695-709 (2011)


Ultrashort pulse generation from diode pumped mode-locked Yb3+:sesquioxide single crystal lasers

M. Tokurakawa, A. Shirakawa, K. Ueda, R. Peters, S. T. Fredrich-Thornton, K. Petermann, and G. Huber,

Opt. Express 19, 2904-2909 (2011)


Generation of radially and azimuthally polarized beams in Yb:YAG laser with intra-cavity lens and birefringent crystal

Manasadevi P. Thirugnanasambandam, Yuri Senatsky, and Ken-ichi Ueda

Opt. Express 19, 1905-1914 (2011)

B. Solid-state lasers 2 (ceramic lasers)

Comparative study on enhancement of self-Q-switched Cr,Yb:YAG lasers by bonding Yb:YAG ceramic and crystal

J. Dong, J. Ma, Y. Cheng, Y.Y. Ren, K. Ueda, and A.A. Kaminskii

Laser Phys. Lett. 8, 845-852 (2011)


Optimization of Yb:YAG/Cr4+:YAG composite ceramics passively Q-switched microchip lasers

J. Ma, J. Dong, K.-I. Ueda, and A. A. Kaminskii

Appl. Phys. B 105, 749-760 (2011)


Infrared and upconversion spectroscopic studies of high Er3+ content transparent YAG ceramic

M. Pokhrel, G. A. Kumar, P. Samuel, K. I. Ueda, T. Yanagitani, H. Yagi, and D. K. Sardar

Opt. Mater. Express 1, 1272-1285 (2011)


Efficient energy transfer between Ce3+/Cr3+ and Nd3+ ions in transparent Nd/Ce/Cr:YAG ceramics

P. Samuel, G.A. Kumar, Yanagitani Takagimi, Yagi Hideki, Ken-ichi Ueda, S. Moorthy Babu

Optical Materials 34, 303-307 (2011)


Stimulated Raman scattering in "garnet" Lu3Al5O12 ceramics - a novel host-materiel for Ln- and TM-lasant ions

A.A. Kaminskii, H. Rhee, O. Lux, H.J. Eichler, S.N. Bagayev, H. Yagi, K. Ueda, A. Shirakawa, and J. Dong

Laser Phys. Lett. 8, 458-464 (2011)


Spectroscopic analysis of Eu doped transparent CaF2 ceramics at different concentration

P. Samuel, H. Ishizawa, Y. Ezura, Ken-ichi Ueda, and S. Moorthy Babu

Optical Materials 33, 735-737 (2011)


CW one-micron (4F3/2-4I11/2) laser oscillation of Nd3+ ions in the melilite-type crystal Ca2MgSi2O7:Nd3+(Na+) at its incommensurate-commensurate phase transition

A. A. Kaminskii, H. Nakao, A. Shirakawa, K. Ueda, J. Liebertz, P. Becker, and L. Bohatý

Appl. Phys. B 103, 629-635 (2011)


Multi-ring modes generation in Yb:YAG ceramic laser

Manasadevi P. Thirugnanasambandam, Yuri Senatsky, Akira Shirakawa, Ken-ichi Ueda

Optical Materials 33, 675-678 (2011)


Broadband-gain Nd3+-doped Ba(Zr, Mg, Ta)O3 ceramic lasers for ultrashort pulse generation

H. Kurokawa, A. Shirakawa, M. Tokurakawa, K. Ueda, S. Kuretake, N. Tanaka, Y. Kintaka, K. Kageyama, H. Takagi, A.A. Kaminskii

Optical Materials 33, 667-669 (2011)

D. Ultra-short pulse lasers and their applications

Spectral shearing interferometer with frequency- and time-resolved sum-frequency mixing

Hitoshi Tomita and Hajime Nishioka

Opt. Express 19, 17173-17178 (2011)

F. Frequency stabilized lasers and their applications

The Japanese space gravitational wave antenna: DECIGO

S.Kawamura, M. Ando, N. Seto, et al. (M. Musha, and K. Ueda)

Class. Quantum Grav. 28, 094011 (2011)

G. Ultra cold atoms and Quantum optics

Fast, externally triggered, digital phase controller for an optical lattice

Mark Sadgrove and Ken'ichi Nakagawa

Rev. Sci. Instrum. 82, 113104 (2011)


Measurement of an Efimov Trimer Binding Energy in a Three-Component Mixture of Li-6

Shuta Nakajima, Munekazu Horikoshi, Takashi Mukaiyama, Pascal Naidon, and Masahito Ueda

Phys. Rev. Lett. 106, 143201 (2011)

H. Highly charged ions and their applications

Intensity Ratio of Density-Sensitive Lines in Fe Ions Observed with a Well-Defined Laboratory Plasma

Nobuyuki Nakamura, Etsushi Watanabe, Hiroyuki A. Sakaue, Daiji Kato, Izumi Murakami, Norimasa Yamamoto, Hirohisa Hara, and Tetsuya Watanabe

Astrophys. J. 739, 17 (2011)


High resolution extreme ultraviolet spectrometer for an electron beam ion trap

Hayato Ohashi, Junji Yatsurugi, Hiroyuki A. Sakaue, and Nobuyuki Nakamura

Rev. Sci. Instrum. 82, 83103 (2011)


Ab initio multi-configuration Dirac-Fock calculation of M1 visible transitions among the ground state multiplets of the W26+ ion

Xiao-Bin Ding, Fumihiro Koike, Izumi Murakami, Daiji Kato, Hiroyuki A Sakaue, Chen-Zhong Dong, Nobuyuki Nakamura, Akihiro Komatsu and Junpei Sakoda

J. Phys. B 44, 145004 (2011)


Two-photon observations of dielectronic recombination processes

Zhi-min Hu, Yue-ming Li, Akira Yamazaki and Nobuyuki Nakamura

Phys. Scr. T144, 14047 (2011)


Visible spectroscopy of highly charged tungsten ions

Akihiro Komatsu, Junpei Sakoda, Nobuyuki Nakamura, Hiroyuki A Sakaue, Xiao-Bin Ding, Daiji Kato, Izumi Murakami and Fumihiro Koike

Phys. Scr. T144, 14012 (2011)


EUV emission spectra of iron ions following charge exchange collisions with He

H Ohashi, S Suda, H Tanuma, S Fujioka, H Nishimura, K Nishihara, H A Sakaue, N Nakamura and S Ohtani

Phys. Scr. T144, 14030 (2011)


Visible spectroscopy of Rh-like ions

Junpei Sakoda, Akihiro Komatsu, Hiroyuki Kikuchi and Nobuyuki Nakamura

Phys. Scr. T144, 14011 (2011)


EUV spectroscopy of highly charged ions with high- and low-energy EBITs

Junji Yatsurugi, Etsushi Watanabe, Hayato Ohashi, Hiroyuki A Sakaue and Nobuyuki Nakamura

Phys. Scr. T144, 14031 (2011)


Electron density dependence of intensity ratio for FeXXII extreme ultraviolet emission lines arising from different ground levels in electron beam ion trap and large helical device

H. A. Sakaue, N. Yamamoto, S. Morita, N. Nakamura, C. Chen, D. Kato, H. Kikuchi, I. Murakami, S. Ohtani, H. Tanuma, T. Watanabe, and H. Tawara

J. App. Phys. 109, 73304 (2011)


Characterization and parametrization in terms of atomic number of x-ray emission from K-shell filling during ion-surface interactions

S. J. McMahon, A. P. Kavanagh, H. Watanabe, J. Sun, M. Tona, N. Nakamura, S. Ohtani, and F. J. Currell

Phys. Rev. A 83, 022901 (2011)

2010

A. Solid-state lasers 1 (non ceramic)

Stimulated emission (4F3/2 -> 4I11/2 channel) with LD and Xe-flashlamp pumping of tetragonal, incommensurately modulated Ca2MgSi2O7:Nd3+(Na+) - a new disordered laser crystal

A.A. Kaminskii, H. Nakao, L. Bohatý, P. Becker, J. Liebertz, R. Kleinschrodt, K. Ueda, and A. Shirakawa

Laser Phys. Lett. 7, 876-883 (2010)


More than two-octaves span of the Stokes and anti-Stokes picosecond lasing comb in orthorhombic natural single crystals of celestine, SrSO4

A.A. Kaminskii, L. Bohatý, P. Becker, R. Kleinschrodt, H.J. Eichler, H. Rhee, K. Ueda, A. Shirakawa, and V.V. Koltashev

Laser Phys. Lett. 7, 743-751 (2010)


New passively Q-switched LD-pumped self-Raman laser with single-step cascade SE -> SRS wavelength conversion on the base of monoclinic Nd3+:Y2SiO5 crystal

A.A. Kaminskii, S.N. Bagayev, K. Ueda, J. Dong, and H.J. Eichler

Laser Phys. Lett. 7, 270-279 (2010)


Effect of Polarization States on the Laser Performance of Passively Q-switched Yb:YAG/Cr,Ca:YAG Microchip Lasers

Jun Dong, Ken-ichi Ueda, Hideki Yagi, and Alexander A. Kaminskii

IEEE J. Quantum Electron. 46, 50-56 (2010)

B. Solid-state lasers 2 (ceramic lasers)

New oxide ceramics {YGd2}[Sc2](Al2Ga)O12 with a partially disordered "garnet" structure as a matrix for the Ln3+ laser activator ions: Some physical properties

M. Sh. Akchurin, R. V. Gaĭnutdinov, I. I. Kupenko, A. V. Taranov, E. N. Hazanov, H. Yagi, K. Ueda, A. Shirakawa, M. Tokurakawa and A. A. Kaminskiĭ

Doklady Physics 55, 537-540 (2010)


Continuous-wave and mode-locked lasers on the base of partially disordered crystalline Yb3+:{YGd2}[Sc2](Al2Ga)O12 ceramics

M. Tokurakawa, H. Kurokawa, Ae. Shirakawa, K. Ueda, H. Yagi, T. Yanagitani, and A. A. Kaminskii

Opt. Express 18, 4390-4395 (2010)

C. Fiber lasers

High power ytterbium fiber lasers at extremely long wavelengths by photonic bandgap fiber technology

Akira Shirakawa, Christina B. Olausson, Hiroki Maruyama, Ken-ichi Ueda, Jens K. Lyngsø, Jes Broeng

Optical Fiber Technology 16, 449-457 (2010)


167 W, power scalable ytterbium-doped photonic bandgap fiber amplifier at 1178nm

C. B. Olausson, A. Shirakawa, M. Chen, J. K. Lyngsø, J. Broeng, K. P. Hansen, A. Bjarklev, and K. Ueda

Opt. Express 18, 16345-16352 (2010)


Radially polarized and passively Q-switched fiber laser

Di Lin, Kegui Xia, Ruxin Li, Xiaojun Li, Guoqiang Li, Ken-ichi Ueda, and Jianlang Li

Opt. Lett. 35, 3574-3576 (2010)

E. Warm dense matters, Plasma optics, X-ray optics

Measurement of saturable absorption by intense vacuum ultraviolet free electron laser using fluorescent material

Y. Inubushi, H. Yoneda, A. Higashiya, T. Ishikawa, H. Kimura, T. Kumagai, S. Morimoto, M. Nagasono, H. Ohashi, F. Sato, T. Tanaka, T. Togashi, K. Tono, M. Yabashi, Y. Yamaguchi, and R. Kodama

Rev. Sci. Instrum. 81, 36101 (2010)

G. Ultra cold atoms and Quantum optics

Multiparticle entanglement in a one-dimensional optical lattice using Rydberg-atom interactions

Zhanchun Zuo and Ken'ichi Nakagawa

Phy. Rev. A 82, 062328 (2010)


Nonuniversal Efimov Atom-Dimer Resonances in a Three-Component Mixture of Li-6

Shuta Nakajima, Munekazu Horikoshi, Takashi Mukaiyama, Pascal Naidon, and Masahito Ueda

Phys. Rev. Lett. 105, 023201 (2010)


Measurement of Universal Thermodynamic Functions for a Unitary Fermi Gas

Munekazu Horikoshi, Shuta Nakajima, Masahito Ueda and Takashi Mukaiyama

Science 327, 442-445 (2010)


Measurement of fluorescence emission spectrum of few strongly driven atoms using an optical nanofiber

Manoj Das, A. Shirasaki, K. P. Nayak, M. Morinaga, Fam Le Kien, and K. Hakuta

Opt. Express 18, 17154-17164 (2010)

H. Highly charged ions and their applications

Activities at the Tokyo EBIT 2010

N. Nakamura, F. J. Currell, Z. Hu, D. Kato, A. Komatsu, Y. Li, I. Murakami, H. Ohashi, S. Ohtani, H. A. Sakaue, M. Sakurai, M. Tona, X. -M. Tong, H. Watanabe, T. Watanabe, T. Watanabe, C. Yamada, N. Yamamoto, and A. Yamazaki

Jounral of Instrumentation 5, C08007 (2010)


A compact EBIT for spectroscopic studies of moderate charge state ions

H. A. Sakaue, N. Nakamura, E. Watanabe, A. Komatsu, and T. Watanabe

Jounral of Instrumentation 5, C08010 (2010)


Dielectronic recombination in He-like, Li-like, and Be-like highly charged ions in the KLL and KLM manifolds

A. P. Kavanagh, H. Watanabe, Y. M. Li, B. E. O’Rourke, H. Tobiyama, N. Nakamura, S. McMahon, C. Yamada, S. Ohtani, and F. J. Currell

Phys. Rev. A 81, 022712 (2010)

2009

A. Solid-state lasers 1 (non ceramic)

Q-switched nanosecond Nd3+:Ca(NbO3)2 crystalline self-Raman laser with single-step cascade SE (&lambtda;SE = 1.0615 μm of 4F3/2 -> 4I11/2 channel) -> SRS (λSt1 = 1.1741 μm of ωSRS ~ 904 cm-1 promotion vibration mode) wavelength conversion

A.A. Kaminskii, J. Dong, K. Ueda, M. Bettinelli, M. Grinberg, and D. Jaque

Laser Phys. Lett. 6, 782-787 (2009)


Laser and nonlinear-laser properties of undoped and Nd3+-doped orthorhombic Ca(NbO3)2 single crystals: new stimulated-emission performance and high-order picosecond stimulated Raman scattering covering more than two octave Stokes and anti-Stokes wavelengths

A.A. Kaminskii, J. Dong, H.J. Eichler, J. Hanuza, K. Ueda, M. Maczka, H. Rhee, and M. Bettinelli

Laser Phys. Lett. 6, 821-832 (2009)


Multi-pulse oscillation and instabilities in microchip self-Q-switched transverse-mode laser

Jun Dong, Ken-ichi Ueda, and Peizhi Yang

Opt. Express 17, 16980-16993 (2009)


Nanosecond Nd3+:LuVO4 self-Raman laser

A. A. Kaminskii, M. Bettinelli, J. Dong, D. Jaque, and K. Ueda

Laser Phys. Lett. 6, 374-379 (2009)


Scaling laws of disk lasers

Dmitrii Kouznetsov, Jean-François Bisson, and Kenichi Ueda

Optical Materials 31, 754-759 (2009)


Nonlinear-laser c(3)-effects in novel garnet-type fine-grained ceramic-host {YGd2}[Sc2](Al2Ga)O12 for Ln3+ lasants

A.A. Kaminskii, S.N. Bagaev, K. Ueda, H. Yagi, H.J. Eichler, A. Shirakawa, M. Tokurakawa, H. Rhee, K. Takaichi, and T. Yanagitani

Laser Phys. Lett. 6, 671-677 (2009)


Circular modes selection in Yb:YAG laser using an intracavity lens with spherical aberration

Yu. Senatsky, J.-F. Bisson, A. Shelobolin, A. Shirakawa, and K. Ueda

Laser Phys. 19, 911-918 (2009)

B. Solid-state lasers 2 (ceramic lasers)

Passively Q-switched Nd:YAG ceramic microchip laser with azimuthally polarized output

J.-L. Li, D. Lin, L.-X. Zhong, K. Ueda, A. Shirakawa, M. Musha, W.-B. Chen

Laser Phys. Lett. 6, 711-714 (2009)


Comparative study the effect of Yb concentrations on laser characteristics of Yb:YAG ceramics and crystals

J. Dong, K. Ueda, H. Yagi, A.A. Kaminskii, Z. Cai

Laser Phys. Lett. 6, 282-289 (2009)


Stimulated-emission spectroscopy of fine-grained "garnet" ceramics Nd3+:Y3Al5O12 in a wide temperature range between 77 and 650 K

A.A. Kaminskii, S.N. Bagaev, K. Ueda, A. Shirakawa, T. Tokurakawa, H. Yagi, T. Yanagitany, J. Dong

Laser Phys. Lett. 6, 682-687 (2009)


Ba(Mg,Zr,Ta)O3:Nd3+ fine-grained ceramics: a novel laser-gain material with disordered structure for high-power laser systems

A.A. Kaminskii, H. Kurakawa, A. Shirakawa, K. Ueda, N. Tanaka, P. Becker, L. Bohatý, M. Akchurin, M. Tokurakawa, S. Kuretake, Y. Kintaka, K. Kageyama, and H. Takagi

Laser Phys. Lett. 6, 304-310 (2009)


Diode-pumped ultrashort-pulse generation based on Yb3+:Sc2O3 and Yb3+:Y2O3 ceramic multi-gain-media oscillator

Masaki Tokurakawa, Akira Shirakawa, Ken-ichi Ueda, Hideki Yagi, Meichin Noriyuki, Takagimi Yanagitani, and Alexander A. Kaminskii

Opt. Express 17, 3353-3361 (2009)

C. Fiber lasers

Introduction to the Issue on Laser Beam Combining and Fiber Laser Systems

J. R Leger, J. Nilsson, J. P. Huignard, A. P. Napartovich, T. M. Shay, A. Shirakawa

IEEE J. Sel. Top. Quantum Electron. 15, 237-239 (2009)


High-power Yb-doped photonic bandgap fiber amplifier at 1150-1200 nm

A. Shirakawa, H. Maruyama, K. Ueda, C. B. Olausson, J. K. Lyngsø, and J. Broeng

Opt. Express 17, 447-454 (2009)


Introduction to the Issue on High-Power Fiber Lasers

J. Nilsson, S. Ramachandran, T. M. Shay, A. Shirakawa

IEEE J. Sel. Top. Quantum Electron. 15, 1-2 (2009)

D. Ultra-short pulse lasers and their applications

Wide-time-range spectral-shearing interferometry

Hitoshi Tomita and Hajime Nishioka

Opt. Express 17, 14023-14028 (2009)

E. Warm dense matters, Plasma optics, X-ray optics

Ultra-fast switching of light by absorption saturation in vacuum ultra-violet region

Hitoki Yoneda, Yuichi Inubushi, Toshihiro Tanaka, Yuta Yamaguchi, Fumiya Sato, Shunsuke Morimoto, Taisuke Kumagai, Mitsuru Nagasono, Atsushi Higashiya, Makina Yabashi, Tetsuya Ishikawa, Haruhiko Ohashi, Hiroaki Kimura, Hikaru Kitamura, and Ryosuke Kodama

Opt. Express 17, 23443-23448 (2009)


Synthesis and nonlinear optical properties of TeO2-Bi2O3-GeO2 glasses

Boris L. Shivachev, Todor Petrov, Hitoki Yoneda, Rositsa Titorenkova, Boriana Mihailova

Scr. Mater. 61, 493-496 (2009)


High-resolution Spectroscopy of the Nickel-like Molybdenum X-ray Laser Toward the Generation of Circularly Polarized X-ray Laser

Noboru Hasegawa, Akira Sasaki, Hiroshi Yamatani, Maki Kishimoto, Momoko Tanaka, Yoshihiro Ochi, Masaharu Nishikino, Yuichi Kunieda, Tetsuya Kawachi, Hitoki Yoneda, and Atsushi Iwamae

J. Opt. Soc. Korea 13, 60-64 (2009)

F. Frequency stabilized lasers and their applications

DECIGO pathfinder

M. Ando, S. Kawamura, S. Sato, et al. (M. Musha, and K. Ueda)

Class. Quantum Grav. 26, 094019 (2009)


Measuring the frequency of a Sr optical lattice clock using a 120 km coherent optical transfer

F.-L. Hong, M. Musha, M. Takamoto, H. Inaba, S. Yanagimachi, A. Takamizawa, K. Watabe, T. Ikegami, M. Imae, Y. Fujii, M. Amemiya, K. Nakagawa, K. Ueda, and H. Katori

Opt. Lett. 34, 692-694 (2009)

G. Ultra cold atoms and Quantum optics

Single atom Rydberg excitation in a small dipole trap

Zhanchun Zuo, Miho Fukusen, Yoshihiro Tamaki, Tomoki Watanabe, Yusuke Nakagawa, and Ken'ichi Nakagawa

Opt. Express 17, 22898-22905 (2009)


Stable Neutral Atom Trap with a Thin Superconducting Disc

Fujio Shimizu, Christoph Hufnagel, and Tetsuya Mukai

Phys. Rev. Lett. 103, 253002 (2009)


Noise-Induced Energy Resonance for Atoms in a Periodic Potential

Mark Sadgrove, Sanjay Kumar, and Ken’ichi Nakagawa

Phys. Rev. Lett. 103, 010403 (2009)


Planar Electric Trap for Neutral Particles

Makoto Morinaga and Tetsuo Kishimoto

Jpn. J. Appl. Phys. 48, 096505 (2009)


Stability of a superconductive atom chip with persistent current

Christoph Hufnagel, Tetsuya Mukai, and Fujio Shimizu

Phys. Rev. A 79, 053641 (2009)


Signal analysis with atom optics

Mark Sadgrove, Sanjay Kumar, and Ken'ichi Nakagawa

Phys. Rev. A 79, 053618 (2009)


Antibunching and bunching of photons in resonance fluorescence from a few atoms into guided modes of an optical nanofiber

K. P. Nayak, Fam Le Kien, M. Morinaga, and K. Hakuta

Phys. Rev. A 79, 021801(R) (2009)

H. Highly charged ions and their applications

Development and application of highly charged ion source

Makoto Sakurai, Hiroyuki Onishi, Ken Asakura, Masahide Tona, Hirofumi Watanabe, Nobuyuki Nakamura, Shunsuke Ohtani, Toshifumi Terui, Shinro Mashiko, Hiroyuki A. Sakaue

Vacuum 84, 530-533 (2009)


Green's function for multielectron ions and its application to radiative recombination involving dielectronic recombinations

X. M. Tong, N. Nakamura, S. Ohtani, T. Watanabe, and N. Toshima

Phys. Rev. A 80, 042502 (2009)


Guiding and blocking of highly charged ions through a single glass capillary

R. Nakayama, M. Tona, N. Nakamura, H. Watanabe, N. Yoshiyasu, C. Yamada, A. Yamazaki, S. Ohtani, M. Sakurai

Nucl. Instrum. Methods Phys. Res., Sect. B 267, 2381-2384 (2009)


Asymmetric profiles observed in the recombination of Bi79+: A benchmark for relativistic theories involving interference

Nobuyuki Nakamura, Anthony P. Kavanagh, Hirofumi Watanabe, Hiroyuki A. Sakaue, Yueming Li, Daiji Kato, Fred J. Currell, Xiao-Min Tong, Tsutomu Watanabe, and Shunsuke Ohtani

Phys. Rev. A 80, 014503 (2009)


Fe XIII Density Diagnostics in the EIS Observing Wavelength

T. Watanabe, H. Hara1, N. Yamamoto, D. Kato, H. A. Sakaue, I. Murakami, T. Kato, N. Nakamura, and P. R. Young

Astrophys. J. 692, 1294-1304 (2009)

2008

A. Solid-state lasers 1 (non ceramic)

A crystalline-orientation self-selected linearly polarized Yb:Y3Al5O12 microchip laser

Jun Dong, Akira Shirakawa, and Ken-ichi Ueda

Appl. Phys. Lett. 93, 101105 (2008)


New χ(3)-nonlinear-laser manifestations in tetragonal LuVO4 crystal: more than sesqui-octave Raman-induced Stokes and anti-Stokes comb generation and cascaded self-frequency "tripling"

A. A. Kaminskii, H. Rhee, H. J. Eichler, K. Ueda, K. Oka, and H. Shibata

Appl. Phys. B 93, 865-872 (2008)


New Nonlinear-Laser Effects in YbVO4 Crystal: Sesqui-Octave Stokes and Anti-Stokes Comb Generation and the Cascaded Self-Frequency "Tripling" of χ(3)-Stokes Components under a One-Micron Picosecond Pumping

A. A. Kaminskii, H. J. Eichler, H. Rhee, K. Ueda, K. Oka and H. Shibata

Laser Phys. 18, 1546-1552 (2008)


Nonlinear-laser effects in NH4H2PO4 (ADP) and ND4D2PO4 (DADP) single crystals: almost two-octave multi-wavelength Stokes and anti-Stokes combs, cascaded lasing in UV and visible ranges with the involving of the second and third harmonic generation

A.A. Kaminskii, V.V. Dolbinina, H. Rhee, H.J. Eichler, K. Ueda, K. Takaichi, A. Shirakawa, M. Tokurakawa, J. Dong, and D. Jaque

Laser Phys. Lett. 5, 532-542 (2008)


New manifestations of nonlinear χ(3) - laser properties in tetragonal YVO4 crystal many-phonon SRS, cascaded self-frequency “tripling”, and self-sum-frequency generation in blue spectral range with the involving of Stokes components under one-micron picosecond pumping

A.A. Kaminskii, H.J. Eichler, H. Rhee, and K. Ueda

Laser Phys. Lett. 5, 804-811 (2008)


Enhancement of the mode area and modal discrimination of microchip lasers using angularly selective mirrors

Jean-Francois Bisson, Nikolay Lyndin, Ken-ichi Ueda, and Olivier Parriaux

IEEE J. Quantum Electron. 44, 628-637 (2008)


Continuous-wave and Q-switched microchip laser performance of Yb:Y3Sc2Al3O12 crystals

Jun Dong, Ken-ichi Ueda, and Alexander A. Kaminskii

Opt. Express 16, 5241-5251 (2008)


Laser-diode pumped self-Q-switched microchip lasers

Jun Dong, Ken-ichi Ueda, Hideki Yagi, and Alexander A. Kaminskii

Opt. Rev. 15, 57-74 (2008)

B. Solid-state lasers 2 (ceramic lasers)

Radially polarized and pulsed output from passively Q-switched Nd:YAG ceramic microchip laser

Jian-lang Li, Ken-ichi Ueda, Mitsuru Musha, Lan-xiang Zhong, and Akira Shirakawa

Opt. Lett. 33, 2686-2688 (2008)


Efficient excitations of radially and azimuthally polarized Nd3+:YAG ceramic microchip laser by use of subwavelength multilayer concentric gratings composed of Nb2O5/SiO2

Jian-lang Li, Ken-ichi Ueda, Lan-xiang Zhong, Mitsuru Musha, Akira Shirakawa, and Takashi Sato

Opt. Express 16, 10841-10848 (2008)


Nonlinear-laser χ(3)- and χ(2)-effects in fine-grained highly transparent optical Ba(Mg,Zr,Ta)O3 ceramics and their microhardness

A. A. Kaminskii, M. Sh. Akchurin, N. Tanaka, H. J. Eichler, H. Rhee, K. Ueda, K. Takaichi, A. Shirakawa, M. Tokurakawa, J. Dong, Y. Kintaka, S. Kuretake, Y. Sakabe

Phys. Status Solidi A 205, 1666-1671 (2008)


Diode-pumped 65 fs Kerr-lens mode-locked Yb3+: Lu2O3 and nondoped Y2O3 combined ceramic laser

Masaki Tokurakawa, Akira Shirakawa, Ken-ichi Ueda, Hideki Yagi, Syunsuke Hosokawa, Takagimi Yanagitani, and Alexander A. Kaminskii

Opt. Lett. 33, 1380-1382 (2008)


Mechanical and optical properties of Lu2O3 host-ceramics for Ln3+ lasants

A.A. Kaminskii, M.Sh. Akchurin, P. Becker, K. Ueda, L. Bohatý, A. Shirakawa, M. Takurakawa, K. Takaichi, H. Yagi, J. Dong, T. Yanagitani

Laser Phys. Lett. 5, 300-303 (2008)


New nonlinear-laser effects in crystalline fine-grained ceramics based on cubic Sc2O3 and Lu2O3 oxides: second and third harmonic generation, and cascaded self-sum-frequency mixing in UV spectral region

A.A. Kaminskii, H. Rhee, H.J. Eichler, K. Ueda, K. Takaichi, A. Shirakawa, M. Tokurakawa, J. Dong, H. Yagi, T. Yanagitani

Laser Phys. Lett. 5, 109-113 (2008)


Polarization control of a Yb:YAG ceramic microchip laser by constructive-interference resonant grating mirror

O. Parriaux, J.F. Bisson, K. Ueda, S. Tonchev1, E. Gamet, J.C. Pommier and S. Reynauda

J. Mod. Opt. 55, 1899-1912 (2008)

D. Ultra-short pulse lasers and their applications

Bandwidth enhancement of optical parametric chirped pulse amplification by temporally delayed two pump beams

Kanade Ogawa, Makoto Aoyama, Yutaka Akahane, Koichi Tsuji, Junji Kawanaka, Tetsuo Harimoto, Hajime Nishioka, Masayuki Fujita, and Koichi Yamakawa

Jpn. J. Appl. Phys. 47, 4592-4594 (2008)

F. Frequency stabilized lasers and their applications

Coherent optical frequency transfer over 50-km physical distance using a 120-km-long installed telecom fiber network

Mitsuru Musha, Feng-Lei Hong, Ken'ichi Nakagawa, and Ken-ichi Ueda

Opt. Express 16, 16459-16466 (2008)

G. Ultra cold atoms and Quantum optics

Circular Magneto-Optical Trap for Neutral Atoms

Makoto Morinaga

J. Phys. Soc. Jpn. 77, 104402 (2008)


Enhanced Factoring with a Bose-Einstein Condensate

Mark Sadgrove, Sanjay Kumar, and Ken’ichi Nakagawa

Phys. Rev. Lett. 101, 180502 (2008)

H. Highly charged ions and their applications

Measurement of the QED energy shift in the 1s22p3/2-1s22s1/2 x-ray transition in Li-like 208Pb79+

Xuemei Zhang, Nobuyuki Nakamura, Chongyang Chen, Martin Andersson, Yong Liu, and Shunsuke Ohtani

Phys. Rev. A 78, 032504 (2008)


Compact electron beam ion trap for spectroscopy of moderate charge state ions

Nobuyuki Nakamura, Hiroyuki Kikuchi, Hiroyuki A. Sakaue, and Tetsuya Watanabe

Rev. Sci. Instrum. 79, 63104 (2008)


Fluorescence of an organic-dye thin film by interaction with individual slow highly charged ions

Masahide Tona, Takashi Abe, Hirofumi Watanabe, Jian Sun, Nobuyuki Nakamura, Chikashi Yamada, Masahiro Kotani, and Shunsuke Ohtani

Phys. Rev. A 77, 052902 (2008)


K and L x-ray emission from hollow atoms produced in the interaction of slow H-like (I52+) and bare, (I53+) ions with different target materials

Jian Sun, Hirofumi Watanabe, Masahide Tona, Tsutomu Watanabe, Nobuyuki Nakamura, Chikashi Yamada, and Shunsuke Ohtani

Phys. Rev. A 77, 032901 (2008)


Evidence for strong breit interaction in dielectronic recombination of highly charged heavy ions

Nobuyuki Nakamura, Anthony P. Kavanagh, Hirofumi Watanabe, Hiroyuki A. Sakaue, Yueming Li, Daiji Kato, Fred J. Currell, and Shunsuke Ohtani

Phys. Rev. Lett. 100, 073203 (2008)


Recent activities at the Tokyo EBIT 2006

N. Nakamura, F. J. Currell, D. Kato, A. P. Kavanagh, Y. M. Li, S. Ohtani, H. A. Sakaue, M. Sakurai, J. Sun, S. Takahashi, M. Tona, H. Watanabe, C. Yamada, N. Yoshiyasu

Can. J. Phys. 86, 315-319 (2008)


Two-electron QED contributions to the ground-state binding energy in He-like Kr(34+) ions

P. H. Mokler, J. R. Crespo López-Urrutia, F. J. Currell, N. Nakamura, S. Ohtani, C. J. Osborne, H. Tawara, J. Ullrich, and H. Watanabe

Phys. Rev. A 77, 012506 (2008)

2007

A. Solid-state lasers 1 (non ceramic)

Efficient passively Q-switched Yb:LuAG micirochip laser

Jun Dong, Ken-ichi Ueda, and Alexander A. Kaminskii

Opt. Lett. 32, 3266-3268 (2007)


Self-pulsing laser as oscillator Toda: approximations through elementary functions

D. Kouznetsov, J.-F. Bisson, J. Li and K. Ueda

J. Phys. A 40, 2107-2124 (2007)


New data on investigation of novel laser ceramic on the base of cubic scandium sesquioxide: two-band tunable CW generation of Yb3+:Sc2O3 with laser-diode pumping and the dispersion of refractive index in the visible and near-IR of undoped Sc2O3

K. Takaichi, H. Yagi, P. Becker, A. Shirakawa, K. Ueda, L. Bohatý, T. Yanagitani, and A.A. Kaminskii

Laser Phys. Lett. 4, 507-510 (2007)


Switchable pulses generation in passively Q-switched multi longitudinal-mode microchip laser

J. Dong, A. Shirakawa, and K. Ueda

Laser Phys. Lett. 4, 109-116 (2007)


Transient temperature profile in the gain medium of CW- and end-pumped passively Q-switched microchip laser

Jianlang Li, Jun Dong, Musha Mitsurua, Akira Shirakawa, Ken-ichi Ueda

Opt. Commun. 270, 63-67 (2007)

B. Solid-state lasers 2 (ceramic lasers)

Diode-pumped sub-100 fs Kerr-lens mode-locked Yb3+: Sc2O3 ceramic laser

Masaki Tokurakawa, Akira Shirakawa, Ken-ichi Ueda, Hideki Yagi, Takagimi Yanagitani, and Alexander A. Kaminskii

Opt. Lett. 32, 3382-3384 (2007)


High-power self-mode-locked Yb:Y2O3 ceramic laser

G. Q. Xie, D. Y. Tang, L. M. Zhao, L. J. Qian, and K. Ueda

Opt. Lett. 32, 2741-2743 (2007)


The optical properties and laser characteristics of Cr3+ and Nd3+ co-doped Y3Al5O12 ceramics

H. Yagi, T. Yanagitani, H. Yoshida, M. Nakatsuka, K. Ueda

Optics and Laser Technology 39, 1295-1300 (2007)


Characterizations and laser performances of highly transparent Nd3+:Y3Al5O12 laser ceramics

Hideki Yagi, Takagimi Yanagitani, Kazunori Takaichi, Ken-ichi Ueda, Alexander A. Kaminskii

Optical Materials 29, 1258-1262 (2007)


Switching of emissivity and photoconductivity in highly doped Yb3+:Y2O3 and Lu2O3 ceramics

Jean-Francois Bisson, Dmitrii Kouznetsov, Ken-Ichi Ueda, Susanne T. Fredrich-Thornton, Klaus Petermann, and Guenter Huber

Appl. Phys. Lett. 90, 201901 (2007)


High-efficiency 1040 and 1078 nm laser emission of a Yb:Y2O3 ceramic laser with 976 nm diode pumping

J. Kong, D. Y. Tang, C. C. Chan, J. Lu, K. Ueda, H. Yagi, and T. Yanagitani

Opt. Lett. 32, 247-249 (2007)


The physical properties of transparent Y3Al5O12 elastic modulus at high temperature and thermal conductivity at low temperature

H. Yagi, T. Yanagitani, T. Numazawa, K. Ueda

Ceramics International 33, 711-714 (2007)


Influence of the grain boundaries on the heat transfer in laser ceramics

Jean-Francois Bisson, Hideki Yagi, Takakimi Yanagitani, Alexander Kaminskii, Yuri N. Barabanenkov, and Ken-ichi Ueda

Opt. Rev. 14, 1-13 (2007)


Effect of ytterbium concentration on cw Yb:YAG microchip laser performance at ambient temperature - Part I: Experiments

Jun Dong, A. Shirakawa, K.-I. Ueda, and A.A. Kaminskii

Appl. Phys. B 89, 359-365 (2007)


Effect of ytterbium concentration on cw Yb:YAG microchip laser performance at ambient temperature - Part II: Theoretical modeling

Jun Dong, A. Shirakawa, K.-I. Ueda, and A. A. Kaminskii

Appl. Phys. B 89, 367-376 (2007)


Composite Yb:YAG/Cr4+:YAG ceramics picosecond microchip lasers

Jun Dong, Ken-ichi Ueda, Akira Shirakawa, Hideki Yagi, Takagimi Yanagitani, and Alexander A. Kaminskii

Opt. Express 15, 14516-14523 (2007)


Laser-diode pumped heavy-doped Yb:YAG ceramic lasers

Jun Dong, Akira Shirakawa, Ken-ichi Ueda, Hideki Yagi, Takagimi Yanagitani, and Alexander A. Kaminskii

Opt. Lett. 32, 1890-1892 (2007)


Ytterbium and chromium doped composite Y3Al5O12 ceramics self-Q-switched laser

Jun Dong, Akira Shirakawa, Ken-ichi Ueda, Hideki Yagi, Takagimi Yanagitani, and Alexander A. Kaminskii

Appl. Phys. Lett. 90, 191106 (2007)


Near-diffraction-limited passively Q-switched Yb:Y3Al5O12 ceramic lasers with peak power > 150 kW

Jun Dong, Akira Shirakawa, Ken-ichi Ueda, Hideki Yagi, Takagimi Yanagitani, and Alexander A. Kaminskii

Appl. Phys. Lett. 90, 131105 (2007)


Diode-pumped 188 fs mode-locked Yb3+: Y2O3 ceramic laser

Masaki Tokurakawa, Kazunori Takaichi, Akira Shirakawa, Ken-ichi Ueda, Hideki Yagi, Takagimi Yanagitani, and Alexander A. Kaminskii

Appl. Phys. Lett. 90, 71101 (2007)

C. Fiber lasers

Characteristics of linearly polarized Yb-doped fiber laser in an all-fiber configuration

A. Shirakawa, M. Kamijo, J. Ota, K.-I. Ueda, K. Mizuuichi, H. Furuya, and K. Yamamoto

IEEE Photonics Technol. Lett. 19, 1664-1666 (2007)


Converging-axicon-based radially polarized ytterbium fiber laser and evidence on the mode profile inside the gain fiber

Jian-lang Li, Ken-ichi Ueda, Mitsuru Musha, Akira Shirakawa, and Zhi-ming Zhang

Opt. Lett. 32, 1360-1362 (2007)

D. Ultra-short pulse lasers and their applications

Multi-millijoule, diode-pumped, cryogenically-cooled Yb:KY(WO4)2 chirped-pulse regenerative amplifier

K. Ogawa, Y. Akahane, M. Aoyama, K. Tsuji, S. Tokita, J. Kawanaka, H. Nishioka, and K. Yamakawa

Opt. Express 15, 8598-8602 (2007)


High-energy, diode-pumped, picosecond Yb:YAG chirped-pulse regenerative amplifier for pumping optical parametric chirped-pulse amplification

Y. Akahane, M. Aoyama, K. Ogawa, K. Tsuji, S. Tokita, J. Kawanaka, H. Nishioka, and K. Yamakawa

Opt. Lett. 32, 1899-1901 (2007)


Femtosecond pulse amplification by a two-photon arranged photorefractive amplifier

Hajime Nishioka, Keisuke Hayasaka, Shuji Ohta, Hitoshi Tomita, and Ken-ichi Ueda

Opt. Express 15, 4830-4834 (2007)


Ultra-broadband optical parametric chirped-pulse amplification using an Yb:LiYF4 chirped-pulse amplification pump laser

K. Yamakawa, M. Aoyama, Y. Akahane, K. Ogawa, K. Tsuji, A. Sugiyama, T. Harimoto, J. Kawanaka, H. Nishioka, and M. Fujita

Opt. Express 15, 5018-5023 (2007)

E. Warm dense matters, Plasma optics, X-ray optics

Studies on heavy ion fusion and high energy density physics in Japan

S. Kawata, K. Horioka, M. Murakami, Y. Oguri, J. Hasegawa, K. Takayama, H. Yoneda, K. Miyazawa, T. Someya, A.I. Ogoyski, M. Seino, T. Kikuchi, T. Kawamura, and M. Ogawa

Nucl. Instrum. Methods Phys. Res., Sect. A 577, 21-29 (2007)

F. Frequency stabilized lasers and their applications

Practical optical frequency measurement system around 1.5 mm based on an acetylene-stabilized laser-locked optical frequency comb

Mitsuru Musha, Yosuke Tamura, Ken’ichi Nakagawa, and Ken-ichi Ueda

Opt. Commun. 272, 211-216 (2007)

G. Ultra cold atoms and Quantum optics

Observation of a coherence loss of an atomic wave scattered from the optical potential in a Talbot-Lau atom interferometer

Takuya Kohno, Shinya Suzuki, and Kazuko Shimizu

Phys. Rev. A 76, 053624 (2007)


Suppression of dephasing due to a trapping potential and atom-atom interactions in a trapped-condensate interferometer

Munekazu Horikoshi and Ken'ichi Nakagawa

Phys. Rev. Lett. 99, 180401 (2007)


Coherent control of ballistic energy growth for a kicked Bose-Einstein condensate

M. Sadgrove, M. Horikoshi, T. Sekimura and K. Nakagawa

Eur. Phys. J. D 45, 229-234 (2007)


Rectified momentum transport for a kicked Bose-Einstein condensate

Mark Sadgrove, Munekazu Horikoshi, Tetsuo Sekimura, and Ken’ichi Nakagawa

Phys. Rev. Lett. 99, 043002 (2007)


Persistent supercurrent atom chip

T. Mukai, C. Hufnagel, A. Kasper, T. Meno, A. Tsukada1, K. Semba, and F. Shimizu

Phys. Rev. Lett. 98, 260407 (2007)


Optical nanofiber as an efficient tool for manipulating and probing atomic fluorescence

K. P. Nayak, P. N. Melentiev, M. Morinaga, Fam Le Kien, V. I. Balykin, and K. Hakuta

Opt. Express 15, 5431-5438 (2007)

H. Highly charged ions and their applications

X-ray emission in collisions of highly charged I, Pr, Ho, and Bi ions with a W surface

H. Watanabe, J. Sun, M. Tona, N. Nakamura, M. Sakurai, C. Yamada, N. Yoshiyasu, and S. Ohtani

Phys. Rev. A 75, 062901 (2007)


Potential sputtering from a Si surface by very highly charged ion impact

Masahide Tona, Hirofumi Watanabe, Satoshi Takahashi, Nobuyuki Nakamura, Nobuo Yoshiyasu, Makoto Sakurai, Chikashi Yamada, and Shunsuke Ohtani

Nucl. Instrum. Methods Phys. Res., Sect. B 258, 163-166 (2007)


Nano-scale surface modification of materials with slow, highly charged ion beams

M. Sakurai, M. Tona, S. Takahashi, H. Watanabe, N. Nakamura, N. Yoshiyasu, C. Yamada, S. Ohtani, H.A. Sakaue, Y. Kawase, K. Mitsumori, T. Terui, S. Mashiko

Nucl. Instrum. Methods Phys. Res., Sect. B 257, 297-300 (2007)


Nanofabrication on a Si surface by slow highly charged ion impact

M. Sakurai, M. Tona, S. Takahashi, H. Watanabe, N. Nakamura, N. Yoshiyasu, C. Yamada, S. Ohtani, H.A. Sakaue, Y. Kawase, K. Mitsumori, T. Terui, S. Mashiko

Nucl. Instrum. Methods Phys. Res., Sect. B 256, 543-546 (2007)


Nano-crater formation on a Si(111)-(7 x 7) surface by slow highly charged ion-impact

Masahide Tona, Hirofumi Watanabe, Satoshi Takahashi, Nobuyuki Nakamura, Nobuo Yoshiyasu, Makoto Sakurai, Toshifumi Terui, Shinro Mashiko, Chikashi Yamada, Shunsuke Ohtani

Surf. Sci. 601, 723-727 (2007)


Dielectronic recombination of He-like to C-like iodine ions

H. Watanabe, H. Tobiyama, A. P. Kavanagh, Y. M. Li, N. Nakamura, H. A. Sakaue, F. J. Currell, and S. Ohtani

Phys. Rev. A 75, 012702 (2007)

2006 and eariler

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