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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OCS, OPE, LQE | 2021-11-12 15:40 |
Online | Online | [Special Invited Talk]
uncooled 112Gb/s PAM4 InGaAlAs-MQW-DFB-BH laser Kouji Nakahara, Kazuki Suga, Kaoru Okamoto, Shigenori Hayakawa, Masatoshi Arasawa, Tetsuya Nishida, Ryu Washino, Takeshi Kitatani, Masatoshi Mitaki, Hironori Sakamoto, Yasushi Sakuma, Shigehisa Tanaka (Lumentum)  OCS2021-25 OPE2021-45 LQE2021-24 |
Directly modulated lasers that have cost effective, small footprint and low power consumption are attractive as transmis... [more] | OCS2021-25 OPE2021-45 LQE2021-24 pp.20-23 |
| OPE, OCS, LQE | 2018-05-11 17:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg (Tokyo) | [Special Invited Talk]
Investigation of reduced skew of 106-Gb/s PAM4 waveform with optical orthogonal polarization multiplexing by utilizing 1.3-um directly modulated lasers Kouji Nakahara (Oclaro), Riu Hirai (Hitachi), Takeshi Kitatani (Oclaro), Nobuhiko Kikuchi (Hitachi), Takayoshi Fukui, Kaoru Okamoto, Yasushi Sakuma, Kohichi R. Tamura, Shigehisa Tanaka (Oclaro) OCS2018-9 OPE2018-9 LQE2018-9 |
One of technical issues of PAM-4 modulation by utilizing directly modulated lasers is distorted into a shew shape eye-di... [more] | OCS2018-9 OPE2018-9 LQE2018-9 pp.31-34 |
| OPE, LQE | 2014-06-20 14:50 |
Tokyo | Investigation of 56-Gb/s direct modulation in 1.3-um InGaAlAs MQW RS-BH DFB lasers Kouji Nakahara, Yuki Wakayama, Takeshi Kitatani, Takafumi Taniguchi (Hitachi), Toshihiko Fukamachi, Yasushi Sakuma (Oclaro), Shigehisa Tanaka (Hitachi) OPE2014-17 LQE2014-22 |
Demands for the highly efficient transmission of large amounts of data capacity have become pressing with the explosive ... [more] | OPE2014-17 LQE2014-22 pp.23-26 |
|
| LQE, OPE | 2013-06-21 15:50 |
Tokyo | 28-Gbps Direct Modulation with High Mask Margin of 1.3-um DFB Lasers with Asymmetric Corrugation-Pitch-Modulated Grating Yuki Wakayama, Kouji Nakahara, Kenji Hiruma, Takeshi Kitatani, Kazunori Shinoda (Hitachi), Toshihiko Fukamachi, Yasushi Sakuma (Oclaro Japan), Shigehisa Tanaka (Hitachi) OPE2013-14 LQE2013-24 |
We have developed 1.3-um directly modulated DFB lasers operating at 28 Gbps at 55℃ for 100GbE optical transceivers with ... [more] | OPE2013-14 LQE2013-24 pp.39-42 |
|
| PN | 2012-03-12 14:55 |
Nagasaki | BaramonNetKan | [Encouragement Talk]
4x4 InAlGaAs/InAlAs Optical Switch Fabric by Cascading Mach-Zehnder Interferometer-type Optical Switches with Low-power and Low-polarization-dependent Operation Yuta Ueda, Noriaki Koyama, Kazuki Kambayashi, Shinji Fujimoto, Katsuyuki Utaka (Waseda Univ.), Takashi Shiota, Takeshi Kitatani (Hitachi) PN2011-89 |
High-speed optical switches are essential devices to construct next generation optical networks. We have studied on 2 x ... [more] | PN2011-89 pp.43-47 |
| CPM, OPE, LQE, EMD | 2011-08-25 15:00 |
Hokkaido | Hokkaido Univ. | Multiple-wavelength 25-Gb/s Surface-emitting DFB Laser Array Kazunori Shinoda, Koichiro Adachi, Takeshi Kitatani (Hitachi/PETRA), Yasunobu Matsuoka, Toshiki Sugawara (Hitachi), Shinji Tsuji (Hitachi/PETRA) EMD2011-39 CPM2011-83 OPE2011-74 LQE2011-37 |
Multiple-wavelength 25-Gb/s operation of a 1.3-μm lens-integrated surface-emitting laser array for massive data links is... [more] | EMD2011-39 CPM2011-83 OPE2011-74 LQE2011-37 pp.41-44 |
| LQE, OPE | 2011-06-30 09:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Wavelength Tunable Laser Integrated With a Lateral-Grating-Assisted Lateral Co-directional Coupler Takanori Suzuki, Hideo Arimoto, Takeshi Kitatani, Aki Takei, Takafumi Taniguchi, Kazunori Shinoda, Shigehisa Tanaka, Shinji Tsuji (Hitachi), Jun Igarashi, Atsushi Nakamura, Kazuhiko Naoe, Masanobu Okayasu (Opnext) OPE2011-16 LQE2011-16 |
[more] | OPE2011-16 LQE2011-16 pp.7-10 |
| PN | 2011-03-01 12:40 |
Kagoshima | KKR Kagoshima Keitenkaku | 4 x 4 InAlGaAs/InAlAs optical switch fabric by cascading Mach-Zehnder Interferometer-type optical switches with low-power and low-polarization-dependent operation Yuta Ueda, Noriaki Koyama, Kazuki Kambayashi, Shinji Fujimoto, Katsuyuki Utaka (Waseda Univ.), Takashi Shiota, Takeshi Kitatani (Hitachi) PN2010-71 |
High-speed optical switches are essential devices to construct next generation optical networks. We have studied on 2 x ... [more] | PN2010-71 pp.77-80 |
| LQE, OPE, OCS | 2010-10-29 15:05 |
Fukuoka | Mojiko Retro Town, Minato house | Monolithic Lens Integration with 25-Gb/s 1.3-μm Surface-Emitting DFB Laser for Short-Reach Optical Links Kazunori Shinoda, Koichiro Adachi, Takeshi Kitatani, Yong Lee (Hitachi/PETRA), Yasunobu Matsuoka, Toshiki Sugawara (Hitachi), Shinji Tsuji (Hitachi/PETRA) OCS2010-82 OPE2010-118 LQE2010-91 |
To simplify the optical coupling to an optical fiber, we developed a new 25-Gb/s 1.3-µm DFB laser, which is monoli... [more] | OCS2010-82 OPE2010-118 LQE2010-91 pp.153-156 |
| OPE, EMT, LQE, PN, IEE-EMT | 2010-01-28 16:50 |
Kyoto | Demonstration of Wide Temperature Range 25Gbps Operation of 1.3um Directly Modulated Laser Toshihiko Fukamachi, Takashi Shiota (Chuken/PETRA), Takeshi Kitatani (Hitachi, Ltd.,), Takuma Ban (Chuken/PETRA), Yasunobu Matsuoka, Reiko Mita (Hitachi, Ltd.,), Koichiro Adachi, Kazunori Shinoda (Chuken/PETRA), Toshiki Sugawara (Hitachi, Ltd.,), Shigehisa Tanaka, Shinji Tsuji (Chuken/PETRA), Masahiro Aoki (Hitachi, Ltd.,) PN2009-46 OPE2009-184 LQE2009-166 |
The uncooled 25-Gbps operation of a 1.3-μm directly modulated laser was demonstrated. This laser, which consists of a sh... [more] | PN2009-46 OPE2009-184 LQE2009-166 pp.61-64 |
|
| OPE, LQE, OCS | 2009-10-23 16:30 |
Fukuoka | First Uncooled (25 to 85 degree) operation of 43-Gbps Light Source Based on InGaAlAs EA/DFB Laser Technology Hiroaki Hayashi, Shigeki Makino, Takeshi Kitatani, Takashi Shiota, Kazunori Shinoda, Shigehisa Tanaka, Masahiro Aoki (Hitachi Ltd.), Noriko Sasada, Kazuhiko Naoe (Opnext Japan Inc.) OCS2009-79 OPE2009-145 LQE2009-104 |
[more] | OCS2009-79 OPE2009-145 LQE2009-104 pp.187-190 |
|
| LQE, OPE | 2009-06-19 09:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Polarization-independent and Low-Crosstalk Operation of InAlGaAs/InAlAs Mach-Zehnder Interferometer-Type Photonic Switch with Hybrid-waveguide Structure Yuta Ueda, Shinji Fujimoto, Hiroto Yamada, Shinya Nakamura, Katsuyuki Utaka (Waseda Univ.), Takashi Shiota, Takeshi Kitatani (Hitachi, Ltd.) OPE2009-18 LQE2009-21 |
[more] | OPE2009-18 LQE2009-21 pp.13-17 |
| OCS, LQE, OPE | 2008-10-24 14:30 |
Fukuoka | Kyushu Univ. | Experimental study of fast wavelength switching in a short-cavity DBR Lasers Hideo Arimoto, Takeshi Kitatani, Tomonobu Tsuchiya, Kazunori Shinoda, Masahiro Aoki, Shinji Tsuji (Hitachi CRL) OCS2008-77 OPE2008-120 LQE2008-89 |
[more] | OCS2008-77 OPE2008-120 LQE2008-89 pp.153-156 |
| LQE, CPM, EMD, OPE | 2008-08-29 09:50 |
Miyagi | Touhoku Univ. | Highly reliable operation of 10-Gbps low-power-consumption lasers with InGaAlAs-InGaAsP integrated structures Kazunori Shinoda, Shigeki Makino, Takeshi Kitatani, Takashi Shiota, Masahiro Aoki (Hitachi) EMD2008-47 CPM2008-62 OPE2008-77 LQE2008-46 |
We demonstrated highly reliable operation of 10-Gbps low-power-consumption lasers with InGaAlAs/InGaAsP integrated struc... [more] | EMD2008-47 CPM2008-62 OPE2008-77 LQE2008-46 pp.79-82 |
| PN | 2008-03-14 11:20 |
Okinawa | Ohama-Nobumoto-Kinenkan (Ishigakijima) | Low-current Operation of InAlGaAs/InAlAs/InP Mach-Zehnder Interferometer Type Multi-mode Interference Photonic Switch (MIPS-MZ) Yuta Ueda, Shinya Nakamura, Katsuyuki Utaka (WASEDA University), Takashi Shiota, Takeshi Kitatani (Central Research Laboratory, Hitachi, Ltd.) PN2007-87 |
We fabricated an InAlGaAs/InAlAs/InP semiconductor photonic switch with a Mach-Zehnder interferometer (MZI) and multi-mo... [more] | PN2007-87 pp.75-79 |
| LQE, OPE, OCS | 2007-11-01 17:05 |
Fukuoka | 32-nm Continuous Wavelength Tuning in Short-Cavity DBR laser array with n-doped active DBR structure Hideo Arimoto, Takeshi Kitatani, Tomonobu Tsuchiya, Kazunori Shinoda, Aki Takei, Tsukuru Ohtoshi, Masahiro Aoki, Shinji Tsuji (Hitachi) OCS2007-54 OPE2007-109 LQE2007-95 |
We study a short-cavity DBR laser to realize a fast wavelength tunable laser which is a key componet for the next genera... [more] | OCS2007-54 OPE2007-109 LQE2007-95 pp.65-68 |
|
| CPM, LQE, OPE, EMD | 2007-08-24 09:50 |
Hokkaido | Hokaido Univ. | 43-Gbit/s Operation of 1.55-mm Electro-Absorption Modulator Integrated DFB Laser Modules for 2-km Transmission Kazuhiko Naoe, Noriko Sasada, Yasushi Sakuma, Katsuya Motoda, Tetsuya Kato, Mitsuo Akashi, Masanobu Okayasu, Kazuhisa Uomi (Opnext), Junichiro Shimizu, Takeshi Kitatani, Masahiro Aoki (Hitachi) EMD2007-44 CPM2007-65 OPE2007-82 LQE2007-45 |
We have developed wideband low chirp 1.55μm electro-absorption modulator integrated DFB (EA/DFB) laser for 43 Gbit/s 2-... [more] | EMD2007-44 CPM2007-65 OPE2007-82 LQE2007-45 pp.83-86 |
| LQE, OPE | 2007-06-29 09:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Wide Temperature Range 10Gbit/s-40km/80km SMF Transmission by 1.55um InGaAlAs EA/DFB Laser Shigeki Makino, Kazunori Shinoda, Takashi Shiota, Takeshi Kitatani, Toshihiko Fukamachi, Masahiro Aoki (Hitachi CRL), Noriko Sasada, Kazuhiko Naoe, Kaoru Okamoto, Katsuya Motoda, Yasushi Sakuma (Opnext) OPE2007-16 LQE2007-17 |
Uncooled electro-absorption modulator integrated DFB (EA/DFB) laser is suitable for metro area low-power consumption sma... [more] | OPE2007-16 LQE2007-17 pp.1-4 |
| OPE, EMT, LQE, PN | 2007-01-29 13:25 |
Osaka | Osaka Univ. Convention Center | [Invited Talk]
1.3-μｍ GaInNAs-TQW-RWG Lasers Kouji Nakahara, Koichiro Adachi, Junichi Kasai, Takeshi Kitatani, Masahiro Aoki (Hitachi Ltd., CRL) PN2006-54 OPE2006-136 LQE2006-125 |
The GaInNAs has an ideal band-lineup as compared with conventional long-wavelenth acitve materials. We investigated TQW... [more] | PN2006-54 OPE2006-136 LQE2006-125 pp.41-44 |
| OPE, LQE | 2006-06-30 10:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Reduced threshold current in 1.3μm GaInNAs-SQW RWG-LD with Al free MBE growth Koichiro Adachi, Kouji Nakahara, Junichi Kasai, Takeshi Kitatani, Tomonobu Tsuchiya, Masahiro Aoki (Hitachi CRL), Masahiko Kondow (Osaka Univ.) |
[more] | OPE2006-17 LQE2006-21 pp.11-14 |
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