Eiji J Takahashi

Summary

Affiliation: RIKEN Brain Science Institute
Country: Japan

Publications

  1. ncbi request reprint Coherent water window x ray by phase-matched high-order harmonic generation in neutral media
    Eiji J Takahashi
    Extreme Photonics Research Group, RIKEN Advanced Science Institute, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    Phys Rev Lett 101:253901. 2008
  2. pmc Attosecond nonlinear optics using gigawatt-scale isolated attosecond pulses
    Eiji J Takahashi
    Extreme Photonics Research Group, RIKEN Center for Advanced Photonics, 2 1 Hirosawa, Wako Shi 351 0198, Japan
    Nat Commun 4:2691. 2013
  3. ncbi request reprint Dramatic enhancement of high-order harmonic generation
    Eiji J Takahashi
    Laser Technology Laboratory, RIKEN, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    Phys Rev Lett 99:053904. 2007
  4. ncbi request reprint Infrared two-color multicycle laser field synthesis for generating an intense attosecond pulse
    Eiji J Takahashi
    Extreme Photonics Research Group, RIKEN Advanced Science Institute, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    Phys Rev Lett 104:233901. 2010
  5. doi request reprint Resolving vibrational wave-packet dynamics of D2(+) using multicolor probe pulses
    Yusuke Furukawa
    Laser Technology Laboratory, Riken ASI, 2 1 Hirosawa, Wako Shi, Saitama 351 0198, Japan
    Opt Lett 37:2922-4. 2012
  6. doi request reprint Sub-10-fs control of dissociation pathways in the hydrogen molecular ion with a few-pulse attosecond pulse train
    Yasuo Nabekawa
    Attosecond Science Research Team, Extreme Photonics Research Group, RIKEN Center for Advanced Photonics, 2 1 Hirosawa, Wako Shi, Saitama 351 0198, Japan
    Nat Commun 7:12835. 2016
  7. pmc Settling time of a vibrational wavepacket in ionization
    Yasuo Nabekawa
    Attosecond Science Research Team, RIKEN Center for Advanced Photonics RAP, 2 1 Hirosawa, Wako Shi, Saitama 351 0198, Japan
    Nat Commun 6:8197. 2015
  8. ncbi request reprint High-throughput, high-damage-threshold broadband beam splitter for high-order harmonics in the extreme-ultraviolet region
    Eiji J Takahashi
    Laser Technology Laboratory, RIKEN, 2 1 Hirosawa, Wako Shi, Saitama 351 0198, Japan
    Opt Lett 29:507-9. 2004
  9. ncbi request reprint Destructive interference during high harmonic generation in mixed gases
    Tsuneto Kanai
    Laser Technology Laboratory, RIKEN, 2 1 Hirosawa, Wako Shi, Saitama 351 0198, Japan
    Phys Rev Lett 98:153904. 2007
  10. doi request reprint Frequency modulation of high-order harmonic fields with synthesis of two-color laser fields
    A Amani Eilanlou
    RIKEN Advanced Science Institute, 2 1 Hirosawa, Wako Shi, Saitama 351 0198, Japan
    Opt Express 18:24619-31. 2010

Collaborators

  • Yasuo Nabekawa
  • Katsumi Midorikawa
  • Yusuke Furukawa
  • A Amani Eilanlou
  • Tomoya Okino
  • Kaoru Yamanouchi
  • Pengfei Lan
  • Kenichi L Ishikawa
  • Qingbin Zhang
  • Tadashi Togashi
  • Tsuneto Kanai
  • Takeshi Sato
  • Takahiro Watanabe
  • Tetsuya Ishikawa
  • Takashi Tanaka
  • Yuji Otake
  • Atsushi Iwasaki
  • Mitsuru Nagasono
  • Koichi Yamakawa
  • Oliver D Mücke
  • Hideo Kitamura
  • Toru Hara
  • Haruhiko Ohashi
  • Takahiro Sato
  • Kazuaki Togawa
  • Takashi Ohshima
  • Kenji Fukami
  • Kenji Tamasaku
  • Makina Yabashi
  • Hitoshi Tanaka
  • Hidetoshi Nakano
  • Takashi Kameshima
  • Marie E Couprie
  • Noritaka Kumagai
  • Fumihiko Kannari
  • Akira Yagishita
  • Shigeki Owada
  • Hiromitsu Tomizawa
  • Tsumoru Shintake
  • Makoto Aoyama
  • Shinichi Matsubara
  • Peixiang Lu
  • Takaki Hatsui
  • Hiroyuki Takahashi
  • Toshihiko Shimizu
  • Hirokazu Hasegawa

Detail Information

Publications15

  1. ncbi request reprint Coherent water window x ray by phase-matched high-order harmonic generation in neutral media
    Eiji J Takahashi
    Extreme Photonics Research Group, RIKEN Advanced Science Institute, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    Phys Rev Lett 101:253901. 2008
    ..6 microm laser driver and a neutral Ne gas medium, is efficient and scalable in output yields of the water window x ray. Thus, the precept of the design parameter for a single-shot live-cell imaging by contact microscopy is presented...
  2. pmc Attosecond nonlinear optics using gigawatt-scale isolated attosecond pulses
    Eiji J Takahashi
    Extreme Photonics Research Group, RIKEN Center for Advanced Photonics, 2 1 Hirosawa, Wako Shi 351 0198, Japan
    Nat Commun 4:2691. 2013
    ..The peak power of our tabletop light source reaches 2.6 GW, which even surpasses that of an extreme-ultraviolet free-electron laser. ..
  3. ncbi request reprint Dramatic enhancement of high-order harmonic generation
    Eiji J Takahashi
    Laser Technology Laboratory, RIKEN, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    Phys Rev Lett 99:053904. 2007
    ..The dominance of the dramatic enhancement effect is supported by simulation with the time-dependent Schrödinger equation as well as the observed spatial characteristic of the generated harmonics and dependence on medium conditions...
  4. ncbi request reprint Infrared two-color multicycle laser field synthesis for generating an intense attosecond pulse
    Eiji J Takahashi
    Extreme Photonics Research Group, RIKEN Advanced Science Institute, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    Phys Rev Lett 104:233901. 2010
    ..This concept opens the door to create an intense isolated attosecond pulse using a conventional femtosecond laser system...
  5. doi request reprint Resolving vibrational wave-packet dynamics of D2(+) using multicolor probe pulses
    Yusuke Furukawa
    Laser Technology Laboratory, Riken ASI, 2 1 Hirosawa, Wako Shi, Saitama 351 0198, Japan
    Opt Lett 37:2922-4. 2012
    ..This multicolor pump-probe scheme can provide us with a powerful experimental tool for investigating a variety of wave packets evolving with a time scale of ~20 fs...
  6. doi request reprint Sub-10-fs control of dissociation pathways in the hydrogen molecular ion with a few-pulse attosecond pulse train
    Yasuo Nabekawa
    Attosecond Science Research Team, Extreme Photonics Research Group, RIKEN Center for Advanced Photonics, 2 1 Hirosawa, Wako Shi, Saitama 351 0198, Japan
    Nat Commun 7:12835. 2016
    ..This result can be classified as the fastest control, to the best of our knowledge, of a molecular reaction in the simplest molecule on the basis of the XUV-pump and XUV-probe scheme. ..
  7. pmc Settling time of a vibrational wavepacket in ionization
    Yasuo Nabekawa
    Attosecond Science Research Team, RIKEN Center for Advanced Photonics RAP, 2 1 Hirosawa, Wako Shi, Saitama 351 0198, Japan
    Nat Commun 6:8197. 2015
    ..The phase modulation results in a group delay of the specific vibrational states of order 1 fs, which can be regarded as the settling time required to compose the initial vibrational wavepacket...
  8. ncbi request reprint High-throughput, high-damage-threshold broadband beam splitter for high-order harmonics in the extreme-ultraviolet region
    Eiji J Takahashi
    Laser Technology Laboratory, RIKEN, 2 1 Hirosawa, Wako Shi, Saitama 351 0198, Japan
    Opt Lett 29:507-9. 2004
    ..The measured reflection efficiency at the 27th harmonic (29.6 nm) was 0.56 for Si and 0.45 for SiC. These beam splitters are useful not only for high harmonics but also for longitudinally pumped x-ray lasers...
  9. ncbi request reprint Destructive interference during high harmonic generation in mixed gases
    Tsuneto Kanai
    Laser Technology Laboratory, RIKEN, 2 1 Hirosawa, Wako Shi, Saitama 351 0198, Japan
    Phys Rev Lett 98:153904. 2007
    ....
  10. doi request reprint Frequency modulation of high-order harmonic fields with synthesis of two-color laser fields
    A Amani Eilanlou
    RIKEN Advanced Science Institute, 2 1 Hirosawa, Wako Shi, Saitama 351 0198, Japan
    Opt Express 18:24619-31. 2010
    ..Numerical analysis by solving the time-dependent Schrödinger equation approves of these results and shows that anharmonic frequency components of the SH field have a crucial role in this phenomenon...
  11. ncbi request reprint Production of doubly charged helium ions by two-photon absorption of an intense sub-10-fs soft x-ray pulse at 42 eV photon energy
    Yasuo Nabekawa
    Midorikawa Laser Technology Laboratory, RIKEN, Hirosawa 2 1, Wako Shi, Saitama 351 0198, Japan
    Phys Rev Lett 94:043001. 2005
    ..This phenomenon is utilized to measure the pulse duration of the 27th harmonic pulse by using an autocorrelation technique, for the first time to our knowledge, and as a result a duration of 8 fs is found...
  12. doi request reprint Rotation-free holographic imaging with extended arc reference
    Pengfei Lan
    Extreme Photonics Research Group, RIKEN Advanced Science Institute, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    Opt Express 20:6669-76. 2012
    ..This scheme alleviates the convergence problem of coherent diffractive imaging and also promises to achieve a high resolution...
  13. doi request reprint Dual-chirped optical parametric amplification for generating few hundred mJ infrared pulses
    Qingbin Zhang
    Extreme Photonics Research Group, RIKEN Advanced Science Institute, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    Opt Express 19:7190-212. 2011
    ....
  14. doi request reprint Extreme ultraviolet free electron laser seeded with high-order harmonic of Ti:sapphire laser
    Tadashi Togashi
    RIKEN, XFEL Project Head Office, Sayo, Hyogo, Japan
    Opt Express 19:317-24. 2011
    ..2 nm. The properties of the seeded FEL radiation were well reproduced by numerical simulations. We discuss the future precept of the seeded FEL scheme to the shorter wavelength region...
  15. ncbi request reprint Interferometry of attosecond pulse trains in the extreme ultraviolet wavelength region
    Yasuo Nabekawa
    Extreme Photonics Research Group, Advanced Science Institute, RIKEN, Wako Shi, Hirosawa 2 1, Saitama 351 0198, Japan
    Phys Rev Lett 102:213904. 2009
    ..We also report the results of using this approach to directly observe both symmetry and symmetry breaking of interference fringes in an attosecond pulse train...