Spatial-mode-matching efficiencies for heterodyned GaAlAs semiconductor lasers
Technical Report
·
OSTI ID:6868464
High spatial-mode-matching efficiencies are experimentally demonstrated when open-loop frequency-stabilized GaAlAs semiconductor lasers are heterodyned on silicon p-i-n detectors. Repeatable values of 75% are obtained using two independent lasers. The mode-matching efficiency increases to 90% when a single modulated laser is self-heterodyned using an unequal-path-length Mach-Zehnder interferometer. Experimental data are shown to match closely with theoretical predictions.
- Research Organization:
- Massachusetts Inst. of Tech., Lexington (USA). Lincoln Lab.
- OSTI ID:
- 6868464
- Report Number(s):
- AD-A-194860/3/XAB; JA-5978
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
ALUMINIUM ARSENIDES
ALUMINIUM COMPOUNDS
ARSENIC COMPOUNDS
ARSENIDES
DATA
EFFICIENCY
ELEMENTS
EXPERIMENTAL DATA
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
INFORMATION
INTERFEROMETERS
LASERS
MEASURING INSTRUMENTS
MODE SELECTION
NUMERICAL DATA
OSCILLATION MODES
PNICTIDES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR LASERS
SEMIMETALS
SILICON
420300* -- Engineering-- Lasers-- (-1989)
ALUMINIUM ARSENIDES
ALUMINIUM COMPOUNDS
ARSENIC COMPOUNDS
ARSENIDES
DATA
EFFICIENCY
ELEMENTS
EXPERIMENTAL DATA
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
INFORMATION
INTERFEROMETERS
LASERS
MEASURING INSTRUMENTS
MODE SELECTION
NUMERICAL DATA
OSCILLATION MODES
PNICTIDES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR LASERS
SEMIMETALS
SILICON