All Stories

  1. Nonlinear dynamics of electromagnetic field and valley polarization in WSe2 monolayer

    Article • Applied Physics Letters, January 2022, American Institute of Physics

    Dr. Tomohito Otobe

  2. Observation of ultrafast impact ionization in diamond driven by mid-infrared femtosecond pulses

    Article • Journal of Applied Physics, July 2020, American Institute of Physics

    Dr. Tomohito Otobe

  3. Macroscopic electron-hole distribution in silicon and cubic silicon carbide by the intense femtosecond laser pulse

    Article • Journal of Applied Physics, November 2019, American Institute of Physics

    Dr. Tomohito Otobe

  4. Controlled strong excitation of silicon as a step towards processing materials at sub-nanometer precision

    Article • Communications Physics, November 2019, Springer Science + Business Media

    Dr. Tomohito Otobe

  5. Attosecond electro-optic effect in zinc sulfide induced by a laser field

    Article • September 2019, American Physical Society (APS)

    Dr. Tomohito Otobe

  6. Deformation of an inner valence molecular orbital in ethanol by an intense laser field

    Article • Science Advances, May 2019, American Association for the Advancement of Science

    Dr. Tomohito Otobe

  7. Characterization of 20-fs VUV pulses by plasma-mirror frequency-resolved optical gating

    Article • Optics Letters, April 2019, Optical Society of America (OSA)

    Dr. Tomohito Otobe

  8. High-order harmonic generation from hybrid organic–inorganic perovskite thin films

    Article • APL Materials, April 2019, American Institute of Physics

    Dr. Tomohito Otobe

  9. Anisotropy and polarization dependence of multiphoton charge carrier generation rate in diamond

    Article • March 2019, American Physical Society (APS)

    Dr. Tomohito Otobe

  10. Theory for Electron Excitation in Dielectrics under an Intense Linear and Circularly Polarized Laser Fields

    Article • Journal of the Physical Society of Japan, February 2019, Physical Society of Japan

    Dr. Tomohito Otobe

  11. SALMON: Scalable Ab-initio Light–Matter simulator for Optics and Nanoscience

    Article • Computer Physics Communications, February 2019, Elsevier

    Dr. Tomohito Otobe

  12. Coherent detection of THz-induced sideband emission from excitons in the nonperturbative regime

    Article • April 2018, American Physical Society (APS)

    Dr. Tomohito Otobe

  13. Development of Time-Resolved Small-Angle X-Ray Scattering System Using Soft X-Ray Laser

    Article • January 2018, Springer Science + Business Media

    Dr. Tomohito Otobe

  14. Investigation of Surface Excitation Effect for Ablation of 4H-SiC Substrate Using Double-Pulse Beam

    Article • January 2018, Springer Science + Business Media

    Dr. Tomohito Otobe

  15. Sub-cycle Control of Optical Response by Using a Terahertz Excitonic Dressed State

    Article • January 2018, Optical Society of America (OSA)

    Dr. Tomohito Otobe

  16. Isotope-selective ionization utilizing field-free alignment of isotopologues using a switched nanosecond laser pulse

    Article • Applied Physics B Photophysics and Laser Chemistry, December 2017, Springer Science + Business Media

    Dr. Tomohito Otobe

  17. Analytical formulation for modulation of time-resolved dynamical Franz-Keldysh effect by electron excitation in dielectrics

    Article • December 2017, American Physical Society (APS)

    Dr. Tomohito Otobe

  18. Effect of plasma formation on the double pulse laser excitation of cubic silicon carbide

    Article • Applied Physics Letters, October 2017, American Institute of Physics

    Dr. Tomohito Otobe

  19. Anomalous photoelectron angular distribution in ionization of Kr in intense ultraviolet laser fields

    Article • June 2017, American Physical Society (APS)

    Dr. Tomohito Otobe

  20. Subcycle Optical Response Caused by a Terahertz Dressed State with Phase-Locked Wave Functions

    Article • Physical Review Letters, December 2016, American Physical Society (APS)

    Dr. Tomohito Otobe

  21. High-harmonic generation in α -quartz by electron-hole recombination

    Article • December 2016, American Physical Society (APS)

    Dr. Tomohito Otobe

  22. Multi-Scale Simulation for Transient Absorption Spectroscopy under Intense Few-Cycle Pulse Laser

    Article • Photonics, December 2016, MDPI AG

    Dr. Tomohito Otobe

  23. Time-resolved dynamical Franz-Keldysh effect produced by an elliptically polarized laser

    Article • October 2016, American Physical Society (APS)

    Dr. Tomohito Otobe

  24. Phase-sensitive observation of THz-dressed exciton

    Article • September 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Tomohito Otobe

  25. Femtosecond time-resolved dynamical Franz-Keldysh effect

    Article • January 2016, American Physical Society (APS)

    Dr. Tomohito Otobe

  26. Dynamics of spallation during femtosecond laser ablation studied by time-resolved reflectivity with double pump pulses

    Article • Applied Physics Letters, January 2016, American Institute of Physics

    Dr. Tomohito Otobe

  27. Time-dependent density functional theory of high-intensity short-pulse laser irradiation on insulators

    Article • Physical Review B, November 2015, American Physical Society (APS)

    Dr. Tomohito Otobe

  28. Non-thermal effects on femtosecond laser ablation of polymers extracted from the oscillation of time-resolved reflectivity

    Article • Applied Physics Letters, June 2015, American Institute of Physics

    Dr. Tomohito Otobe

  29. Dielectric response of laser-excited silicon at finite electron temperature

    Article • Physical Review B, November 2014, American Physical Society (APS)

    Dr. Tomohito Otobe

  30. Femtosecond laser ablation dynamics of fused silica extracted from oscillation of time-resolved reflectivity

    Article • Journal of Applied Physics, March 2014, American Institute of Physics

    Dr. Tomohito Otobe

  31. Numerical pump-probe experiments of laser-excited silicon in nonequilibrium phase

    Article • Physical Review B, February 2014, American Physical Society (APS)

    Dr. Tomohito Otobe

  32. First-principles simulation of the optical response of bulk and thin-film α-quartz irradiated with an ultrashort intense laser pulse

    Article • Journal of Applied Physics, February 2014, American Institute of Physics

    Dr. Tomohito Otobe

  33. Erratum: “Nonadiabatic generation of coherent phonons” [J. Chem. Phys. 137, 22A527 (2012)]

    Article • The Journal of Chemical Physics, January 2013, American Institute of Physics

    Dr. Tomohito Otobe

  34. Negative effect of crystallization on the mechanism of laser damage in a HfO2/SiO2 multilayer

    Article • Journal of Applied Physics, December 2012, American Institute of Physics

    Dr. Tomohito Otobe

  35. Nonadiabatic generation of coherent phonons

    Article • The Journal of Chemical Physics, August 2012, American Institute of Physics

    Dr. Tomohito Otobe

  36. First-principle description for the high-harmonic generation in a diamond by intense short laser pulse

    Article • Journal of Applied Physics, May 2012, American Institute of Physics

    Dr. Tomohito Otobe

  37. Time-dependent density functional theory for strong electromagnetic fields in crystalline solids

    Article • Physical Review B, January 2012, American Physical Society (APS)

    Dr. Tomohito Otobe

  38. Real-time and real-space density functional calculation for electron dynamics in crystalline solids

    Article • Procedia Computer Science, January 2011, Elsevier

    Dr. Tomohito Otobe

  39. Coherent phonon generation in time-dependent density functional theory

    Article • Physical Review B, October 2010, American Physical Society (APS)

    Dr. Tomohito Otobe

  40. First-principles calculations for multiphoton absorption in α-quartz under intense short laser irradiation

    Article • Journal of Physics Condensed Matter, September 2010, Institute of Physics Publishing

    Dr. Tomohito Otobe

  41. First-principles description for coherent phonon generation in diamond

    Article • Journal of Physics Condensed Matter, September 2010, Institute of Physics Publishing

    Dr. Tomohito Otobe

  42. First Principle Calculation for High Harmonic Generation in Diamond

    Article • Journal of Computational and Theoretical Nanoscience, December 2009, American Scientific Publishers

    Dr. Tomohito Otobe

  43. Laser Tunnel Ionization from Multiple Orbitals in HCl

    Article • Science, September 2009, American Association for the Advancement of Science

    Dr. Tomohito Otobe

  44. Influence of laser irradiation condition on a femtosecond laser-assisted tomographic atom probe

    Article • Ultramicroscopy, April 2009, Elsevier

    Dr. Tomohito Otobe, Kazuhiro Hono

  45. First-principles calculation of the electron dynamics in crystalline SiO2

    Article • Journal of Physics Condensed Matter, January 2009, Institute of Physics Publishing

    Dr. Tomohito Otobe

  46. First-principles electron dynamics simulation for optical breakdown of dielectrics under an intense laser field

    Article • Physical Review B, April 2008, American Physical Society (APS)

    Dr. Tomohito Otobe

  47. Density-functional calculation for the tunnel ionization rate of hydrocarbon molecules

    Article • Physical Review A, June 2007, American Physical Society (APS)

    Dr. Tomohito Otobe

  48. First-principles calculations for the tunnel ionization rate of atoms and molecules

    Article • Physical Review A, May 2004, American Physical Society (APS)

    Dr. Tomohito Otobe