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
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
Under construction