50-Gb/s ring-resonator-based silicon modulator T Baba, S Akiyama, M Imai, N Hirayama, H Takahashi, Y Noguchi, ...
Optics express 21 (10), 11869-11876, 2013
231 2013 Numerical analysis of ballistic-electron transport in magnetic fields by using a quantum point contact and a quantum wire T Usuki, M Saito, M Takatsu, RA Kiehl, N Yokoyama
Physical Review B 52 (11), 8244, 1995
221 1995 Single-photon generation in the 1.55-µm optical-fiber band from an InAs/InP quantum dot T Miyazawa, K Takemoto, Y Sakuma, S Hirose, T Usuki, N Yokoyama, ...
Japanese Journal of Applied Physics 44 (5L), L620, 2005
172 2005 First demonstration of high density optical interconnects integrated with lasers, optical modulators, and photodetectors on single silicon substrate Y Urino, T Shimizu, M Okano, N Hatori, M Ishizaka, T Yamamoto, T Baba, ...
Optics express 19 (26), B159-B165, 2011
128 2011 An optical horn structure for single-photon source using quantum dots at telecommunication wavelength K Takemoto, M Takatsu, S Hirose, N Yokoyama, Y Sakuma, T Usuki, ...
Journal of applied physics 101 (8), 2007
125 2007 Semiconductor device for switching a ballistic flow of carriers T Usuki
US Patent 5,369,288, 1994
123 1994 Non-classical photon emission from a single InAs/InP quantum dot in the 1.3-µm optical-fiber band K Takemoto, Y Sakuma, S Hirose, T Usuki, N Yokoyama, T Miyazawa, ...
Japanese journal of applied physics 43 (7B), L993, 2004
96 2004 12.5-Gb/s operation with 0.29-V·cm Vπ L using silicon Mach-Zehnder modulator based-on forward-biased pin diode S Akiyama, T Baba, M Imai, T Akagawa, M Takahashi, N Hirayama, ...
Optics express 20 (3), 2911-2923, 2012
94 2012 Charge susceptibility of the one-dimensional Hubbard model T Usuki, N Kawakami, A Okiji
Physics Letters A 135 (8-9), 476-480, 1989
82 1989 Transmission experiment of quantum keys over 50 km using high-performance quantum-dot single-photon source at 1.5 µm wavelength K Takemoto, Y Nambu, T Miyazawa, K Wakui, S Hirose, T Usuki, ...
Applied Physics Express 3 (9), 092802, 2010
81 2010 Time-resolved study of carrier transfer among InAs/GaAs multi-coupled quantum dots A Tackeuchi, Y Nakata, S Muto, Y Sugiyama, T Usuki, Y Nishikawa, ...
Japanese journal of applied physics 34 (11A), L1439, 1995
81 1995 Microstructure and electrical properties of Sn nanocrystals in thin, thermally grown A Nakajima, T Futatsugi, H Nakao, T Usuki, N Horiguchi, N Yokoyama
Journal of applied physics 84 (3), 1316-1320, 1998
79 1998 Site-controlled photoluminescence at telecommunication wavelength from InAs∕ InP quantum dots HZ Song, T Usuki, S Hirose, K Takemoto, Y Nakata, N Yokoyama, ...
Applied Physics Letters 86 (11), 2005
78 2005 Demonstration of 12.5-Gbps optical interconnects integrated with lasers, optical splitters, optical modulators and photodetectors on a single silicon substrate Y Urino, Y Noguchi, M Noguchi, M Imai, M Yamagishi, S Saitou, ...
Optics express 20 (26), B256-B263, 2012
77 2012 Compact PIN-diode-based silicon modulator using side-wall-grating waveguide S Akiyama, M Imai, T Baba, T Akagawa, N Hirayama, Y Noguchi, M Seki, ...
IEEE Journal of Selected Topics in Quantum Electronics 19 (6), 74-84, 2013
75 2013 Thermodynamic properties of the one-dimensional Hubbard model N Kawakami, T Usuki, A Okiji
Physics Letters A 137 (6), 287-290, 1989
74 1989 Thermodynamic quantities of the one-dimensional hubbard model at finite temperatures T Usuki, N Kawakami, A Okiji
Journal of the Physical Society of Japan 59 (4), 1357-1365, 1990
73 1990 Tuning of g-factor in self-assembled In (Ga) As quantum dots through strain engineering T Nakaoka, T Saito, J Tatebayashi, S Hirose, T Usuki, N Yokoyama, ...
Physical Review B 71 (20), 205301, 2005
71 2005 Observation of Exciton Transition in 1.3–1.55 µm Band from Single InAs/InP Quantum Dots in Mesa Structure K Takemoto, Y Sakuma, S Hirose, T Usuki, N Yokoyama
Japanese journal of applied physics 43 (3A), L349, 2004
70 2004 First demonstration of athermal silicon optical interposers with quantum dot lasers operating up to 125 C Y Urino, N Hatori, K Mizutani, T Usuki, J Fujikata, K Yamada, T Horikawa, ...
Journal of Lightwave Technology 33 (6), 1223-1229, 2014
66 2014 