Takemasa TAMANUKI


Control Scheme for Optimizing the Interferometer Phase Bias in the Symmetric-Mach-Zehnder All-Optical Switch
Yoshiyasu UENO Morio TAKAHASHI Shigeru NAKAMURA Kouichi SUZUKI Takanori SHIMIZU Akio FURUKAWA Takemasa TAMANUKI Kazuo MORI Satoshi AE Tatsuya SASAKI Kazuhito TAJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/05/01
Vol. E86-C  No. 5  pp. 731-740
Type of Manuscript:  INVITED PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: OECC Awarded Paper
Keyword: 
all-opticalcontrol schemedemultiplexinginterferometerphase bias
 Summary | Full Text:PDF(4.7MB)

Ultrafast Hybrid-Integrated Symmetric Mach-Zehnder All-Optical Switch and Its 168 Gbps Error-Free Demultiplexing Operation
Kazuhito TAJIMA Shigeru NAKAMURA Yoshiyasu UENO Jun'ichi SASAKI Takara SUGIMOTO Tomoaki KATO Tsuyoshi SHIMODA Hiroshi HATAKEYAMA Takemasa TAMANUKI Tatsuya SASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/06/25
Vol. E83-C  No. 6  pp. 959-965
Type of Manuscript:  Special Section PAPER (Special Issue on Advanced Optical Devices for Next Generation High-Speed Communication Systems and Photonic Networks)
Category: High-Speed Optical Devices
Keyword: 
all-optical switchnonlinear opticsoptical communicationultrafastphotonic integration
 Summary | Full Text:PDF(1.5MB)

Spot-Size-Converter Integrated Semiconductor Optical Amplifiers for Optical Switching Systems
Takemasa TAMANUKI Shotaro KITAMURA Hiroshi HATAKEYAMA Tatsuya SASAKI Masayuki YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/02/25
Vol. E82-B  No. 2  pp. 431-438
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Photonics in Switching: Systems and Devices)
Category: Assembly and Packaging Technologies
Keyword: 
semiconductor optical amplifierspot-size-converterangled facetselective MOVPEoptical switchoptical gateplanar lightwave circuit
 Summary | Full Text:PDF(915.1KB)

Spot-Size-Converter Integrated Semiconductor Optical Amplifiers for Optical Switching Systems
Takemasa TAMANUKI Shotaro KITAMURA Hiroshi HATAKEYAMA Tatsuya SASAKI Masayuki YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/02/25
Vol. E82-C  No. 2  pp. 379-386
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Photonics in Switching: Systems and Devices)
Category: Assembly and Packaging Technologies
Keyword: 
semiconductor optical amplifierspot-size-converterangled facetselective MOVPEoptical switchoptical gateplanar lightwave circuit
 Summary | Full Text:PDF(1MB)

Hybrid Integrated 44 Optical Matrix Switch Module on Silica Based Planar Waveguide Platform
Tomoaki KATO Jun-ichi SASAKI Tsuyoshi SHIMODA Hiroshi HATAKEYAMA Takemasa TAMANUKI Shotaro KITAMURA Masayuki YAMAGUCHI Tatsuya SASAKI Keiro KOMATSU Mitsuhiro KITAMURA Masataka ITOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/02/25
Vol. E82-C  No. 2  pp. 305-312
Type of Manuscript:  INVITED PAPER (Joint Special Issue on Photonics in Switching: Systems and Devices)
Category: Photonic Switching Devices
Keyword: 
hybrid photonic integrationsemiconductor optical amplifierplanar lightwave circuitoptical gate switchflip-chip bondingspot-size conversionoptical switchingphotonic ATM switchoptical fiber communicationoptical network
 Summary | Full Text:PDF(1.2MB)

Hybrid Integrated 44 Optical Matrix Switch Module on Silica Based Planar Waveguide Platform
Tomoaki KATO Jun-ichi SASAKI Tsuyoshi SHIMODA Hiroshi HATAKEYAMA Takemasa TAMANUKI Shotaro KITAMURA Masayuki YAMAGUCHI Tatsuya SASAKI Keiro KOMATSU Mitsuhiro KITAMURA Masataka ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/02/25
Vol. E82-B  No. 2  pp. 357-364
Type of Manuscript:  INVITED PAPER (Joint Special Issue on Photonics in Switching: Systems and Devices)
Category: Photonic Switching Devices
Keyword: 
hybrid photonic integrationsemiconductor optical amplifierplanar lightwave circuitoptical gate switchflip-chip bondingspot-size conversionoptical switchingphotonic ATM switchoptical fiber communicationoptical network
 Summary | Full Text:PDF(1.2MB)

Temperature Characteristics of Short-Cavity AIGaAs/GaAs Surface Emitting Lasers
Takemasa TAMANUKI Kazuhiko HOUJOU Fumio KOYAMA Kenichi IGA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/11/25
Vol. E74-C  No. 11  pp. 3867-3869
Type of Manuscript:  LETTER
Category: Opto-Electronics
Keyword: 
 Summary | Full Text:PDF(164.6KB)