Isamu KOTAKA


High-Repetition Frequency Pulse Generation at over 40 GHz Using Mode-Locked Lasers Integrated with Electroabsorption Modulators
Kenji SATO Isamu KOTAKA Yasuhiro KONDO Mitsuo YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/02/25
Vol. E81-C  No. 2  pp. 146-150
Type of Manuscript:  Special Section PAPER (Special Issue on Ultrashort Optical Pulse Technologies and their Applications)
Category: 
Keyword: 
mode-locked lasershort pulse generationEA modulatorpulse compression
 Summary | Full Text:PDF(470.5KB)

Spot-size Converter Integrated Laser Diodes (SS-LDs)
Yoshio ITAYA Yuichi TOHMORI Hiroshi OKAMOTO Osamu MITOMI Masato WADA Kenji KAWANO Hideki FUKANO Kiyoyuki YOKOYAMA Yasumasa SUZAKI Minoru OKAMOTO Yasuhiro KONDO Isamu KOTAKA Mitsuo YAMAMOTO Masaki KOHTOKU Yoshiaki KADOTA Kenji KISHI Yoshihisa SAKAI Hiromi OOHASHI Masashi NAKAO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/01/25
Vol. E80-C  No. 1  pp. 30-40
Type of Manuscript:  Special Section PAPER (Special Issue on Devices, Packaging Technology, and Subsystems for the Optical Access Network)
Category: 
Keyword: 
multi medialow costspot-size converted laserstwo-inch substrate
 Summary | Full Text:PDF(1.2MB)

Short Optical Pulse Generation and Modulation by a Multi-Section MQW Modulator/DFB Laser Integrated Light Source
Koichi WAKITA Kenji SATO Isamu KOTAKA Yasuhiro KONDO Mitsuo YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/01/25
Vol. E78-C  No. 1  pp. 50-54
Type of Manuscript:  Special Section PAPER (Special Issue on Ultrafast Optoelectronics)
Category: 
Keyword: 
optical pulse generationoptical pulse codingMQW modulatoroptical soliton10 Gb/s
 Summary | Full Text:PDF(527.7KB)

Fine Adjustment of Wide-Bandwidth SAW Filter Responses
Isamu KOTAKA Jiro TEMMYO Takahiro INAMURA Shokichiro YOSHIKAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1980/02/25
Vol. E63-E  No. 2  pp. 112-113
Type of Manuscript:  LETTER
Category: Other Devices
Keyword: 
 Summary | Full Text:PDF(204.2KB)

A New Tapping Design for Low-Distortion SAW Tapped Delay Lines
Jiro TEMMYO Takahiro INAMURA Isamu KOTAKA Shokichiro YOSHIKAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1979/11/25
Vol. E62-E  No. 11  pp. 775-778
Type of Manuscript:  PAPER
Category: Other Devices
Keyword: 
 Summary | Full Text:PDF(293.4KB)