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Evolution of Dynamic Single Mode Lasers for Full-Scale Optical Fiber Communications
C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2017/10/01
Online ISSN: 1881-0217
Type of Manuscript: INVITED PAPER (Special Section on IEICE 100th-Anniversary Historical Review on Electronics for Communication)
dynamic single mode laser, DSM laser, phase shift distribute reflector laser, DFB laser, DBR laser, phase shift DFB laser, tunable laser, 1.5µm wavelength laser, GaInAsP/InP laser, optical fiber communication, long wavelength laser, integrated laser, PICs, trunk cable, submarine cable, internet,
Full Text(in Japanese): FreePDF(1.4MB)
Dynamic single mode (DSM) laser is a category of semiconductor laser for full-scale optical fiber communication, specified by 1) operation wavelength at the lowest loss band, 1.5µm band of silica fiber, 2) stable single mode operation under temperature and current variation including direct modulation to minimize the dispersion effect of propagation constant of fiber, and 3) wavelength tunability to meet the wavelength division multiplexing, and is, in practice, phase-shift distributed feedback (DFB) laser for a thermo-tunable DSM laser and tunable (DBR) laser for an electro-tunable DSM laser. A DSM laser was suggested in 1972, realized in 1981, and have been used consistently and widely after commercialized for over land trunk fiber transmission in 1987 and for trance Pacific optical submarine cable in 1992. The phase-shift distributed feedback lasers are used as standard laser for high capacity and long distance optical fiber communications due to its high yield of production. Development of internet may not be possible without advance in optical communication with DSM laser for its light source. This paper reviews development of DSM laser and its influence to the information and communication technology society.