Radiofrequency spectra of mode beats and fluctuations of the intensity of radiation emitted by an injection laser with an external resonator

Journal Article · Tue Sep 01 04:00:00 EDT 1981 · Sov. J. Quant. Electron. (Engl. Transl.); (United States)

DOI:https://doi.org/10.1070/QE1981v011n09ABEH008230· OSTI ID:5807045

Bachert, H; Bogatov, A P; Gurov, Y V; Eliseev, P G; Okhotnikov, O G; Pak, G T; Rakhval'skii, M P; Khairetdinov, K A

A study was made of fluctuations of the intensity of the radiation emitted by a cw AlGaAs injection laser with an external spectrally selective resonator. The laser mode frequencies exhibited considerable fluctuations, which broadened the beat spectrum to at least 100 kHz, i.e., by an amount much greater than the broadening expected due to spontaneous radiation noise. These fluctuations were attributed to an instability of the spatial laser channel in the active medium. It was found that the use of a highly selective resonator made it possible to suppress low-frequency pulsations; this increased the output power in the single-frequency regime.

• Research Organization: P. N. Lebedev Physics Inst., Academy of Sciences of the USSR, Moscow
• OSTI ID: 5807045
• Journal Information: Sov. J. Quant. Electron. (Engl. Transl.); (United States), Journal Name: Sov. J. Quant. Electron. (Engl. Transl.); (United States) Vol. 11:9; ISSN SJQEA
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
ALUMINIUM ARSENIDES
ALUMINIUM COMPOUNDS
ARSENIC COMPOUNDS
ARSENIDES
FLUCTUATIONS
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
LASER CAVITIES
LASERS
OPTICAL DISPERSION
PNICTIDES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR LASERS
VARIATIONS