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IEICE Trans

Toru SEGAWA

Wavelength-Routed Switching for 25-Gbit/s Optical Packets Using a Compact Transmitter Integrating a Parallel-Ring-Resonator Tunable Laser and an InGaAlAs EAM
Toru SEGAWA Wataru KOBAYASHI Tatsushi NAKAHARA Ryo TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/07/01
Vol. E97-C  No. 7  pp. 719-724
Type of Manuscript:  INVITED PAPER (Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
tunable laser, electro-absorption modulator, optical packet switching, photonic integrated circuits, 
 Summary | Full Text:PDF
Monolithically Integrated Wavelength-Routing Switch Using Tunable Wavelength Converters with Double-Ring-Resonator Tunable Lasers
Toru SEGAWA Shinji MATSUO Takaaki KAKITSUKA Yasuo SHIBATA Tomonari SATO Yoshihiro KAWAGUCHI Yasuhiro KONDO Ryo TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/09/01
Vol. E94-C  No. 9  pp. 1439-1446
Type of Manuscript:  PAPER
Category: Optoelectronics
Keyword: 
monolithic integration, photonic integrated circuits, tunable laser, wavelength conversion, all-optical switch, 
 Summary | Full Text:PDF
Flat-Topped Spectral Response in a Ladder-Type Interferometric Filter
Seok-Hwan JEONG Shinji MATSUO Yuzo YOSHIKUNI Toru SEGAWA Yoshitaka OHISO Hiroyuki SUZUKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/08/01
Vol. E88-C  No. 8  pp. 1747-1754
Type of Manuscript:  PAPER
Category: Optoelectronics
Keyword: 
optical filters, flattened filter response, waveguide device, multimode interference coupler, 
 Summary | Full Text:PDF
Apodised Chirped Gratings Using Deep-Ridge Waveguides with Vertical-Groove Surface Gratings
Jun MIYAZU Toru SEGAWA Shinji MATSUO Tetsuyoshi ISHII Hiroyuki SUZUKI Yuzo YOSHIKUNI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/07/01
Vol. E88-C  No. 7  pp. 1521-1522
Type of Manuscript:  LETTER
Category: Optoelectronics
Keyword: 
chirped gratings, apodisation, reflectivity ripple, group delay ripple, 
 Summary | Full Text:PDF
A High-Speed Tunable Optical Filter Using a Semiconductor Ring Resonator for Photonic Packet Switch
Shinji MATSUO Yoshitaka OHISO Toru SEGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/03/01
Vol. E88-C  No. 3  pp. 295-302
Type of Manuscript:  Special Section PAPER (Special Section on Optical Signal-Processing Devices for Photonic Networks)
Category: 
Keyword: 
ring resonator, semiconductor waveguide, tunable optical filter, WDM, optical packet switch, 
 Summary | Full Text:PDF