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IEICE Trans

Ryo KOMA

300-GHz-Band Diplexer for Frequency-Division Multiplexed Wireless Communication
Yuma KAWAMOTO Toki YOSHIOKA Norihiko SHIBATA Daniel HEADLAND Masayuki FUJITA Ryo KOMA Ryo IGARASHI Kazutaka HARA Jun-ichi KANI Tadao NAGATSUMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2023/11/01
Vol. E106-C  No. 11  pp. 722-726
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
diplexer, frequency-division multiplexing, silicon waveguides, terahertz, wireless communications, 
 Summary | Full Text:PDF
Increasing Splitting Ratio of Extended-Reach WDM/TDM-PON by Using Central Office Sited Automatic Gain Controlled SOAs
Masamichi FUJIWARA Ryo KOMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2017/08/01
Vol. E100-B  No. 8  pp. 1388-1396
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
optical access system, time division multiplexing (TDM), wavelength division multiplexing (WDM), long-reach passive optical network (PON), high-splitting-ratio PON, PON repeater, semiconductor optical amplifier (SOA), amplified spontaneous emission (ASE) noise, automatic gain control (AGC), 
 Summary | Full Text:PDF