Research Expertise:
1.Quantum electronic 2.Laser physics 3.Femtosecond spectroscopy 4.ultrafast nonlinear optics 5.Quantum Optics 6.Chemical physics 7.Quantum Information science and technology.
Takayoshi Kobayashi
Chair Professor
Ph.D. in Chemistry, University of Tokyo, Japan
Selected Publications:

Sub-5-fs visible pulse generation by pulse-front-matched noncollinear optical parametric amplifier, A. Shirakawa, I. Sakane, M. Takasaka, and T. Kobayashi: Appl. Phys. Lett. 74, 2268-2270(1999)

Real-time spectroscopy of transition states in bacteriorhodopsin during retinal isomerization: T. Kobayashi, T. Saito, and H. Ohtani: Nature 414, 531-534(2001)

Controlling the carrier-envelope phase of ultrashort light pulses with optical parametric amplifiers A. Baltuska, T. Fuji, and T. Kobayashi: Phys. Rev. Lett. 88, 0133901(2002)

Visible pulse compression to 4 fs by optical parametric amplification and programmable dispersion control, Baltuska, T. Fuji, and T. Kobayashi, Opt. Lett. 27, 306-308(2002)

Dichotomy of photoindued quaiparticle on CuO2 planes of YBa2Cu3O7 directly revealed by femtosecond polarized pump-probe spectroscopy, C.- W. Luo, L. Y. Chen, Y. H. Lee, K. H. Wu, J. Y. Juang, and T. M. Uen, J.-Y. Lin, Y. S. Gou, and T. Kobayashi: J. Appl. Phys., 102, 033909 (2007)

A widely tunable dual-wavelength CW Ti: sapphire laser with collinear output, C.-W. Luo Y.-Q. Yang, I.-T. Mac, Y.-H. Chang, K.-H. Wu, and T. Kobayashi: Opt. Exp., 16, 3305(2008)

Ordered YBCO sub-micron array structures induced by pulsed femtosecond laser irradiation, C.-W. Luo, C.-C. Lee, C.-H. Li, H.-C. Shih, Y.-J. Chen, C.-C. Hsieh, C.-H. Su, W.-Y. Tzeng, K.-H.Wu, J.-Y. Juang, T.-M. Uen, S.-P. Chen, J.-Y. Lin, and T. Kobayashi: Opt. Exp.,16, 20610(2008)

Cascaded four-wave mixing and multicolored arrays generation in a sapphire plate by using two crossing beams of femtosecond laser, J. Liu and T. Kobayashi, Opt. Exp. 16, 22119-22125(2008)

Primary conformation change in bacteriorhodopsin on photoexcitation, A. Yabushita and T. Kobayashi, Biophys. J.,96, 1447-1461(2009)

Ultrafast dynamics in oxygen-deficient Y0.7Ca0.3Ba2Cu3O7-δsuperconductors, C.-W Luo, T.-C. Huang, K.-H. Wu, J.-Y. Juang, J.-Y. Lin, T.-M. Uen, and T. Kobayashi: J. Phys.: Conf. Ser.        150, 052144(2009)