Koichi WAKITA


Very-High-Speed and Low Driving-Voltage Modulator Modules for a Short Optical Pulse Generation
Koichi WAKITA Kaoru YOSHINO Akira HIRANO Susumu KONDO Yoshio NOGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/02/25
Vol. E81-C  No. 2  pp. 175-179
Type of Manuscript:  Special Section PAPER (Special Issue on Ultrashort Optical Pulse Technologies and their Applications)
Category: 
Keyword: 
optical pulse generationmodulator modulemultiple quantum wellhigh-speed40 GHz
 Summary | Full Text:PDF

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

High On/Off Ratio and Low Applied Voltage Optical Modulator Using Multiple Quantum Well Structures
Koichi WAKITA Masashi NAKAO Yuichi KAWAMURA Hajime ASAHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/04/25
Vol. E70-E  No. 4  pp. 300-302
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1987 National Convention IEICE)
Category: Quantum Electronics
Keyword: 
 Summary | Full Text:PDF