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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 11 of 11  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
OCS, LQE, OPE 2019-10-18
13:30
Kagoshima   A Novel Compact Wavelength Selective Switch with 1-f SPOC and Dispersive Metasurface Grating
Shiori Konisho, Mitsumasa Nakajima, Masashi Miyata, Satomi Katayose, Kazunori Seno, Toshikazu Hashimoto (NTT) OCS2019-45 OPE2019-83 LQE2019-61
A reconfigurable optical add/drop multiplexing (ROADM) network has attracted attension for the flexible and effective op... [more] OCS2019-45 OPE2019-83 LQE2019-61
pp.93-97
PN 2018-04-27
13:20
Tokyo Tokyo Institute of Technology(CIC Tamachi) [Invited Talk] Programable Optical Circuit Using Spatial and Planar Optical Circuit (SPOC)
Mitsumasa Nakajima, Kenya Suzuki, Keita Yamaguchi, Kazunori Seno, Takashi Goh, Naru Neomoto, Joji Yamaguchi, Mitsunori Fukutoku, Yutaka Miyamoto, Toshikazu Hashimoto (NTT) PN2018-1
 [more] PN2018-1
pp.1-8
PN 2017-08-29
10:55
Hokkaido Toya Kanko Hotel [Invited Talk] Spatial and Planar Optical Circuit for Space Division Multiplexed Network
Mitsumasa Nakajima, Keita Yamaguchi, Kenya Suzuki, Mitsunori Fukutoku, Yutaka Miyamoto (NTT) PN2017-23
Space division multiplexing (SDM) technology is a possible solution for future ultra-large-scale backbone networks becau... [more] PN2017-23
pp.51-56
OCS, OPE 2017-05-12
14:55
Tokyo Kikai-Shinko-Kaikan Bldg(Tokyo) [Invited Talk] Reports on OFC2017 -- Passive modules and devices --
Mitsumasa Nakajima (NTT) OCS2017-5 OPE2017-5
This paper reports on the topics of optical passive devices and modules presented in The Optical Networking and Communic... [more] OCS2017-5 OPE2017-5
pp.17-20
PN 2017-03-07
15:25
Okinawa Ohama Nobumoto Memorial Hall (Okinawa) Multi-channel OSNR monitor integrated with wavelength selective switch using spatial and planar optical circuit
Mitsumasa Nakajima (NTT), Kenya Suzuki (NTT DIC), Naru Nemoto (NTT), Keita Yamaguchi (NTT DIC), Joji Yamaguchi, Takashi Goh, Toshikazu Hashimoto (NTT) PN2016-107
A spatial planar optical circuit (SPOC) is an attractive optical platform that integrates free space optics with optical... [more] PN2016-107
pp.135-141
OPE 2016-12-08
15:45
Okinawa   [Invited Talk] Wavelength selective switching devices for uncoupled SDM network
Kenya Suzuki, Keita Yamaguchi, Mitsumasa Nakajima, Takashi Goh, Yuichiro Ikuma, Kota Shikama, Yuzo Ishii, Mikitaka Itoh, Mitsunori Fukutoku, Toshikazu Hashimoto, Yutaka Miyamoto, Kazunori Seno (NTT) OPE2016-106
 [more] OPE2016-106
pp.13-18
CPM, OPE, LQE, R, EMD 2015-08-27
15:00
Aomori Aomori-Bussankan-Asupamu Origin of Mirror Angle Drift in MEMS-based Optical Switches and Their Suppression
Mitsumasa Nakajima, Kei Kuwabara, Takako Ishihara, Naru Nemoto, Tomomi Sakata, Johji Yamaguchi, Yoshito Jin (NTT) R2015-29 EMD2015-37 CPM2015-53 OPE2015-68 LQE2015-37
 [more] R2015-29 EMD2015-37 CPM2015-53 OPE2015-68 LQE2015-37
pp.33-38
PN 2015-03-18
14:25
Okinawa   [Encouragement Talk] The Study of the Hologram Technique Applying to Optical Switch
Keita Yamaguchi, Mitsumasa Nakajima, Naru Nemoto, Etsu Hashimoto, Joji Yamaguchi, Yoshito Jin (NTT) PN2014-87
We proposed the phase modulation patterns optimization method of the optical switches based on a Liquid Crystal On Silic... [more] PN2014-87
pp.57-61
PN 2014-11-28
11:25
Tokyo   The Study of the Computer Generation Hologram Applying on Optical Switch for Optical Communication Networks
Keita Yamaguchi, Mitsumasa Nakajima, Naru Nemoto, Etsu Hashimoto, Joji Yamaguchi, Yoshito Jin (NTT) PN2014-25
In this paper, we proposed the phase modulation patterns optimization method of a Liquid Crystal On Silicon (LCOS) for o... [more] PN2014-25
pp.27-30
AP, MW
(Joint)
2014-09-19
13:00
Tokyo Tokyo Institute of Technology, Ookayama Campus An RF front-end circuit for inter-band carrier aggregation
Kunihiro Kawai (NTT DOCOMO), Mitsumasa Nakajima (NTT), Yuta Takagi, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO) MW2014-95
This paper proposes an RF front-end circuit for mobile terminals supporting inter-band carrier aggregation using two fre... [more] MW2014-95
pp.55-58
RCS, SR, SRW
(Joint)
2014-03-04
08:50
Tokyo Waseda Univ. Basic Performances of Super High Bit Rate Massive MIMO Transmission Using Higher Frequency Bands
Satoshi Suyama, Jiyun Shen, Tatsunori Obara, Makoto Sumi (NTT DOCOMO), Mitsumasa Nakajima (NTT), Yukihiko Okumura (NTT DOCOMO) RCS2013-348
Towards realization of a future mobile network with super high bit rate and capacity, this report evaluates a feasibilit... [more] RCS2013-348
pp.253-258
 Results 1 - 11 of 11  /   
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