Gain measurements on semiconductor lasers by optical feedback from an external grating cavity
Journal Article
·
· IEEE J. Quant. Electron.; (United States)
The authors report on new methods to determine the curvature around maximum of the mode gain curve of homogeneously line-broadened semiconductor lasers, either by measuring the wavelength dependence of threshold current of the laser coupled to an external grating cavity or by measuring the tuning range of the laser versus the amount of optical feedback. They experimentally found the mode gain width and the current-induced peak-gain wavelength shift of a GaAlAs CSP laser to 175 A and 2.1 A/ mA, respectively.
- Research Organization:
- Electromagnetics Inst., Tech. Univ. of Denmark, Lyngby
- OSTI ID:
- 5249895
- Journal Information:
- IEEE J. Quant. Electron.; (United States), Vol. QE-19:8
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
SEMICONDUCTOR LASERS
GAIN
ALUMINIUM ARSENIDES
FEEDBACK
GALLIUM ARSENIDES
GRATINGS
LINE BROADENING
OPTICAL PROPERTIES
THRESHOLD CURRENT
WAVELENGTHS
ALUMINIUM COMPOUNDS
AMPLIFICATION
ARSENIC COMPOUNDS
ARSENIDES
CURRENTS
ELECTRIC CURRENTS
GALLIUM COMPOUNDS
LASERS
PHYSICAL PROPERTIES
PNICTIDES
SEMICONDUCTOR DEVICES
420300* - Engineering- Lasers- (-1989)
SEMICONDUCTOR LASERS
GAIN
ALUMINIUM ARSENIDES
FEEDBACK
GALLIUM ARSENIDES
GRATINGS
LINE BROADENING
OPTICAL PROPERTIES
THRESHOLD CURRENT
WAVELENGTHS
ALUMINIUM COMPOUNDS
AMPLIFICATION
ARSENIC COMPOUNDS
ARSENIDES
CURRENTS
ELECTRIC CURRENTS
GALLIUM COMPOUNDS
LASERS
PHYSICAL PROPERTIES
PNICTIDES
SEMICONDUCTOR DEVICES
420300* - Engineering- Lasers- (-1989)