Hitoshi TAKESHITA

Improved Optical Amplification Efficiency by Using Turbo Cladding Pumping Scheme for Multicore Fiber Optical Networks
Hitoshi TAKESHITA Keiichi MATSUMOTO Hiroshi HASEGAWA Ken-ichi SATO Emmanuel Le Taillandier de GABORY 
Publication:   
Publication Date: 2019/08/01
Vol. E102-B  No. 8  pp. 1579-1589
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
multicore-EDFA, cladding pumping, recycle, power consumption, 
 Summary | Full Text:PDF
A Proposal of Cyclic Sleep Control Technique for Backup Resources in ROADM Systems to Reduce Power Consumption of Photonic Network
Tomoyuki HINO Hitoshi TAKESHITA Kiyo ISHII Junya KURUMIDA Shu NAMIKI Shigeru NAKAMURA Akio TAJIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/12/01
Vol. E97-B  No. 12  pp. 2698-2705
Type of Manuscript:  PAPER
Category: Network System
Keyword: 
power-saving, cyclic sleep, dynamic control, C/D/C-ROADM, transponder aggregator, self-check, path check, 
 Summary | Full Text:PDF
Prototype Highly Integrated 848 Transponder Aggregator Based on Si Photonics for Multi-Degree Colorless, Directionless, Contentionless Reconfigurable Optical Add/Drop Multiplexer
Hitoshi TAKESHITA Tomoyuki HINO Kiyo ISHII Junya KURUMIDA Shu NAMIKI Shigeru NAKAMURA Shigeki TAKAHASHI Akio TAJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/07/01
Vol. E96-C  No. 7  pp. 966-973
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Integrated Photonic Devices)
Category: 
Keyword: 
multi-degree, CDC-ROADM, transponder aggregator, Si photonics, 
 Summary | Full Text:PDF