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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 10 of 10  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
SIP, IT, RCS 2024-01-18
15:20		 Miyagi
(Primary: On-site, Secondary: Online)		 Detection Probability of RPACH for UE with High-Speed Movement in NR Uplink
Masaharu Nakajima, Ryota Kuribayashi, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Suyama (NTT DOCOMO) IT2023-44 SIP2023-77 RCS2023-219		 This paper presents miss detection probability (MDP) of Physical Random Access Channel (PRACH) with a short sequence for... [more] IT2023-44 SIP2023-77 RCS2023-219
pp.70-75
LQE, OPE 2011-06-30
16:40		 Tokyo Kikai-Shinko-Kaikan Bldg. Development of an AlInAs Avalanche Photodiode for 10G-EPON
Yoshifumi Sasahata, Masaharu Nakaji, Susumu Ihara, Kazuki Yamaji, Matobu Kikuchi, Daisuke Suzuki, Hitoshi Sakuma, Yasuhiro Kunitsugu, Eitaro Ishimura, Atsushi Sugitatsu (Mitsubishi Electric Co.) OPE2011-27 LQE2011-27		 We developed a surface illuminated AlInAs Avalanche Photodiode ( APD ) for 10G - EPON ONU. We optimized a distributed br... [more] OPE2011-27 LQE2011-27
pp.65-69
EMD, OPE, LQE, CPM 2010-08-26
15:25		 Hokkaido Chitose Arcadia Plaza Development of 4ch-WDM optics of receiver module for 100Gbps Ethernet
Keita Mochizuki, Hiroshi Aruga, Hiromitsu Itamoto, Koichi Akiyama, Yuichiro Horiguchi, Satoshi Nishikawa, Masaharu Nakaji, Ryota Takemura, Atsushi Sugitatsu (Mitsubishi Electric Corp.) EMD2010-36 CPM2010-52 OPE2010-61 LQE2010-34		 We developed an integrated 4ch-WDM optics with 4ch-PD array for a compact 100 Gbps Ethernet ROSA. It accomplishes loss o... [more] EMD2010-36 CPM2010-52 OPE2010-61 LQE2010-34
pp.49-52
OPE, LQE, OCS 2009-10-23
16:55		 Fukuoka   High-power RF InGaAs/InP p-i-n PD
Shigetaka Itakura, Kiyohide Sakai, Eitaro Ishimura, Masaharu Nakaji, Toshitaka Aoyagi, Yoshihito Hirano (Mitsubishi Electric Corp.) OCS2009-80 OPE2009-146 LQE2009-105		 We proposed a high-power RF InGaAs/InP p-i-n photodiode (PD) with a non-absorbing drift region for RF photonic links, an... [more] OCS2009-80 OPE2009-146 LQE2009-105
pp.191-195
OPE, LQE, OCS 2009-10-23
17:20		 Fukuoka   The development of 25Gbps pin-PD for 100Gbps Ethernet
Ryota Takemura, Masaharu Nakaji, Hitoshi Sakuma, Chikara Watatani, Takashi Nagira, Daisuke Suzuki, Toshitaka Aoyagi, Takahide Ishikawa (Mitsubishi electric) OCS2009-81 OPE2009-147 LQE2009-106		 We fabricated a surface-illuminated pin-PD for 100Gbps Ethernet. This pin-PD with a 15$\mu$m-diameter has a 3dB bandwidt... [more] OCS2009-81 OPE2009-147 LQE2009-106
pp.197-200
OPE, EMT, MW 2009-07-30
13:25		 Hokkaido Asahikawa Civic Culture Hall High efficiency dual-resonant-cavity InGaAs pin-PD for radio-over-fiber application
Eitaro Ishimura, Masaharu Nakaji, Chikara Watatani, Toru Ota, Shigetaka Itakura, Kiyohide Sakai, Toshitaka Aoyagi, Takahide Ishikawa (Mitsubishi Electric Corp.) MW2009-35 OPE2009-35		 For radio-over-fiber applications, we have developed a high-efficient InGaAs pin PD with a dual resonant cavity, which r... [more] MW2009-35 OPE2009-35
pp.31-34
OCS, LQE, OPE 2008-10-23
09:25		 Fukuoka Kyushu Univ. High-current InGaAs pin-PD for Microwave output
Eitaro Ishimura, Masaharu Nakaji, Chikara Watatani, Toru Ota, Toshitaka Aoyagi, Takahide Ishikawa (Mitsubishi Electric corp. High Frequency & Optical Device Works) OCS2008-48 OPE2008-91 LQE2008-60		 For microwave applications, we have developed an InGaAs pin PD. Its absorbing layer is buried by a semi-insulated InP la... [more] OCS2008-48 OPE2008-91 LQE2008-60
pp.7-10
LQE, CPM, EMD, OPE 2008-08-29
10:55		 Miyagi Touhoku Univ. The guardring-free InAlAs Avalanche Photodiodes for optical communication
Masaharu Nakaji, Eitaro Ishimura, Eiji Yagyu, Yohei Mikami, Susumu Ihara, Toshitaka Aoyagi, Kiichi Yoshiara, Takahide Ishikawa (Mitsubishi electric corp.) EMD2008-49 CPM2008-64 OPE2008-79 LQE2008-48		 We present a guardring-free InAlAs APD, which achieves low noise and high reliability. The InAlAs APDs produced sensitiv... [more] EMD2008-49 CPM2008-64 OPE2008-79 LQE2008-48
pp.89-92
LQE, OPE, OCS 2007-11-01
10:50		 Fukuoka   Highly reliable guardring-free planar InAlAs avalanche photodiode
Eitaro Ishimura, Eiji Yagyu, Masaharu Nakaji, Susumu Ihara, Kiichi Yoshiara, Toshitaka Aoyagi, Yasunori Tokuda, Takahide Ishikawa (Mitsubishi Electric Corp.) OCS2007-43 OPE2007-98 LQE2007-84		 he InAlAs avalanche photodiode with a guardring-free structure that reduces the bias voltage of the pn-junction of top s... [more] OCS2007-43 OPE2007-98 LQE2007-84
pp.19-22
OPE, EMT, LQE, PN 2007-01-29
13:50		 Osaka Osaka Univ. Convention Center Waveguide photodiode for 40Gbps optical comunication
Masaharu Nakaji, Eitaro Ishimura, Chikara Watatani, Toshitaka Aoyagi, Takahide Ishikawa (Mitsubishi Electric Corp.) PN2006-55 OPE2006-137 LQE2006-126		  [more] PN2006-55 OPE2006-137 LQE2006-126
pp.45-48
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