Kouichi AKAHANE


A 1.55-µm Waveband Optical Absorption Characterization of an Electro-Absorption Device with a Highly Stacked InAs/InGaAlAs Quantum Dot Structure
Naokatsu YAMAMOTO Kouichi AKAHANE Toshimasa UMEZAWA Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/08/01
Vol. E98-C  No. 8  pp. 878-881
Type of Manuscript:  BRIEF PAPER
Category: MWP Device and Application
Keyword: 
quantum dotelectro-absorptionoptical modulatorquantum confined stark effectwaveguide device
 Summary | Full Text:PDF(774.7KB)

10-GHz High-Repetition Optical Short Pulse Generation from Wavelength-Tunable Quantum Dot Optical Frequency Comb Laser
Naokatsu YAMAMOTO Kouichi AKAHANE Tetsuya KAWANISHI Hideyuki SOTOBAYASHI Yuki YOSHIOKA Hiroshi TAKAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Vol. E96-C  No. 2  pp. 187-191
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
Quantum dot laserOptical frequency combMode locking techniqueOptical pulse generationand Wavelength-tunable laser
 Summary | Full Text:PDF(2MB)

Novel Functionality and Material for Si-Photonics: Two-Photon Absorption Switching and Antimonide Hetero-Genius Epitaxy
Tak-Keung LIANG Kouichi AKAHANE Naokatsu YAMAMOTO Luis Romeu NUNES Tetsuya KAWANISHI Masahiro TSUCHIYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/02/01
Vol. E90-C  No. 2  pp. 409-414
Type of Manuscript:  INVITED PAPER (Special Section on Evolution of Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
silicon photonicstwo-photon absorptionoptical switchphotonic devicesheteroepitaxygallium antimonide
 Summary | Full Text:PDF(416.1KB)