Toshiaki Tamamura

NTT (Japan) — Japan

Physics and Astronomy · Physical Sciences

45h-index8.9kcitations248works0.02yr avg
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Research Topics

Semiconductor Quantum Structures and Devices(74), Photonic and Optical Devices(69), Semiconductor Lasers and Optical Devices(62), Optical Coatings and Gratings(35), Photonic Crystals and Applications(31)

Publications248 total

Self-ordered quantum dots: A new growth mode on high-index semiconductor surfaces
Advances in Solid State Physics·2007· 5 cited
Spectroscopy Of Biexciton In Single Lngaas Quantum Disk Grown On GaAs (311 )B Substrate
2005
Ultrawide wavelength tuning with single longitudinal mode by Super Structure Grating (SSG) DBR Lasers
2005· 18 cited
Demonstration of wavelength selective routing using a grating switch integrated with a directional c
2005
Polyimide optical waveguides fabricated by direct electron beam writing
2005
Lasing Action due to the Two-Dimensional Quasiperiodicity of Photonic Quasicrystals with a Penrose Lattice
Physical Review Letters·2004· 161 cited
GaAs photonic crystals on SiO/sub 2/ fabricated by VHF anode-coupled RIE and wafer bonding
2003
Ultrahigh-speed InP-based D- and E-mode MODFETs with ultra-short electrochemically-recessed gate contacts
2003
DFB laser array with first order gratings fabricated by X-ray lithography
2003
High quality InGaAs/InP quantum wires fabricated by electron beam lithography
2002
Lateral confinement effects on the Landau level dispersion in In/sub 0.53/Ga/sub 0.47/As/InP quantum wires
2002
Wide wavelength tuning with narrow spectral linewidth in thermally tunable super-structure-grating DBR lasers
2002· 4 cited
T-gate process and delay time analysis for sub-1/4- mu m-gate InAlAs/InGaAs HEMT's
2002· 6 cited
30-nm-gate InAlAs/InGaAs HEMTs lattice-matched to InP substrates
2002· 31 cited
GaAs and InP nano-hole arrays fabricated by reactive beam etching using highly ordered alumina membranes
2002· 1 cited
Surface-grating Bragg reflector lasers using deeply etched groove formed by reactive beam etching
2002· 3 cited
Simplified fabrication of polyimide waveguide grating using synchrotron radiation irradiation
2002
Uniform formation of a quarter-micron period diffraction grating on a 2-inch InP wafer using reactive beam etching
2002· 5 cited
Magneto-luminescence study of strain and lateral confinement effects in InAs/sub 0.48/P/sub 0.52//InP quantum well wires
2002
Quantum disk lasers with self-organized dot-like active regions
2002· 2 cited
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Frequent Co-authors

Masashi Nakao(11), Hideki Masuda(10), Jiro Temmyo(10), Masaya Notomi(9), R. Nötzel(7), Hidetaka Asoh(6), Shojiro Kawakami(6), Kazuyuki Nishio(6), Y. Tohmori(6), Y. Yoshikuni(6), Hiroyuki Ishii(6), Yasuhiro Kondo(6), Takayuki Kawashima(5), Hideo Kosaka(4), Akihisa Tomita(4), Takashi Sato(3), F. Kano(3), Osamu Niwa(3), Atsushi Yokoo(3), Toshio Nishida(3)