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Systematic comparisons of the effects of the linewidth enhancement factor, confinement factor, internal loss, and cavity length on the above‐threshold characteristics of quarter‐wavelength‐shifted DFB lasers
Author(s) -
Lee HongSeok,
Kim HongKuk,
Kim BooGyoun,
Lee Byoungho
Publication year - 2000
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/1098-2760(20001220)27:6<396::aid-mop9>3.0.co;2-e
Subject(s) - laser linewidth , wavelength , optics , laser , materials science , microwave , optoelectronics , physics , quantum mechanics
Abstract Systematic comparisons of the effects of the linewidth enhancement factor, confinement factor, internal loss, and cavity length on the variations of the single‐mode gain difference and the emission wavelength in quarter‐wavelength phase‐shifted DFB lasers as a function of injection current are presented. Several design guidelines are presented to reduce the variations of the single‐mode gain difference and the emission wavelength. © 2000 John Wiley & Sons, Inc. Microwave Opt Technol Lett 27: 396–400, 2000.