Haruhiko KUWATSUKA


Fast Optical Circuit Switch for Intra-Datacenter Networking
Koh UEDA Yojiro MORI Hiroshi HASEGAWA Hiroyuki MATSUURA Kiyo ISHII Haruhiko KUWATSUKA Shu NAMIKI Toshio WATANABE Ken-ichi SATO 
Publication:   
Publication Date: 2017/10/01
Vol. E100-B  No. 10  pp. 1740-1746
Type of Manuscript:  INVITED PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
switchingcircuitarray waveguide devices
 Summary | Full Text:PDF(2.3MB)

Automatically-Controlled C-Band Wavelength Conversion with Constant Output Power Based on Four-Wave Mixing in SOA's
Koji OTSUBO Tomoyuki AKIYAMA Haruhiko KUWATSUKA Nobuaki HATORI Hiroji EBE Mitsuru SUGAWARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/12/01
Vol. E88-C  No. 12  pp. 2358-2365
Type of Manuscript:  PAPER
Category: Lasers, Quantum Electronics
Keyword: 
wavelength conversionfour wave mixingC-bandquantum-well SOAquantum-dot SOA
 Summary | Full Text:PDF(862.9KB)