T. Simoyama

Enhancement of third-order nonlinear optical susceptibilities in compressively strained quantum wells under the population inversion condition

Hiroshi Ishikawa, T. Simoyama, H. Kuwatsuka, 1999 .

Wavelength conversion using nondegenerate four-wave mixing in quantum dot optical amplifier

O. Wada, H. Ishikawa, Y. Nakata, 2000, CLEO 2000.

Nonlinear processes responsible for nondegenerate four-wave mixing in quantum-dot optical amplifiers

Haruhiko Kuwatsuka, Hiroshi Ishikawa, Tomoyuki Akiyama, 2000 .

High-efficiency wavelength conversion using FWM in an SOA integrated DFB laser

H. Ishikawa, M. Matsuda, T. Simoyama, 2000, IEEE Photonics Technology Letters.

Application of spectral-hole burning in the inhomogeneously broadened gain of self-assembled quantum dots to a multiwavelength-channel nonlinear optical device

H. Ishikawa, O. Wada, M. Sugawara, 2000, IEEE Photonics Technology Letters.

Ultrafast all-optical switching using near-infrared intersubband transitions in quantum wells

H. Yoshida, K. Asakawa, T. Mozume, 2002, The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society.

Nonlinear gain dynamics in quantum-dot optical amplifiers and its application to optical communication devices

Haruhiko Kuwatsuka, Hiroshi Ishikawa, Tomoyuki Akiyama, 2001 .

Detection efficiency of large-active-area NbN single-photon superconducting detectors in the ultraviolet to near-infrared range

O. Okunev, Roman Sobolewski, Konstantin Smirnov, 2002 .