Multimode operation and mode-locking effect in injection lasers

Multimode operation and mode-locking effect in injection lasers

The oscillation regime of GaAs injection lasers has been investigated by methods of time-resolved spectroscopy and nonlinear interferometry. The relative roles of random and correlated process were studied. Spectroscopic data and interferometric investigations of laser samples in CW as well as in pu...

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Veröffentlicht in:IEEE J. Quant. Electron., v. QE-11, no. 7, pp. 507-510 v. QE-11, no. 7, pp. 507-510, 1975-07, Vol.11 (7), p.507-510
Hauptverfasser: Bachert, H., Eliseev, P., Manko, M., Strahov, V., Raab, S., Chan Thay
Format: Artikel
Sprache:eng
Schlagworte:
420300 -Engineering-Lasers
EMISSION SPECTRA
Fluctuations
Gallium arsenide
GALLIUM ARSENIDES
Laser excitation
Laser mode locking
Laser modes
Laser theory
N42210 -Engineering-Facilities & Equipment-Lasers
OPERATION
Optical pumping
OSCILLATIONS
Pump lasers
Semiconductor lasers
SEMICONDUCTOR LASERS- MODE LOCKING
Spectroscopy
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Zusammenfassung:The oscillation regime of GaAs injection lasers has been investigated by methods of time-resolved spectroscopy and nonlinear interferometry. The relative roles of random and correlated process were studied. Spectroscopic data and interferometric investigations of laser samples in CW as well as in pulse regimes show that in most cases multimode operation occurs with random phase fluctuations. However, in some cases signs of mode locking of longitudinal modes were observed with ultrashort pulsation. The duration time of the pulsation is estimated to be about 3 ps.
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.1975.1068659