Picosecond measurement of spontaneous and stimulated emission from injection lasers
- 15 April 1982
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 40 (8), 667-669
- https://doi.org/10.1063/1.93221
Abstract
Spontaneous and stimulated emission from gain-switched injection lasers is measured directly with picosecond resolution. Below threshold, the luminescence time profile shows a carrier concentration rise time of 300 ps in a transverse-junction AlGaAs laser diode. Above threshold, laser pulse widths down to 30 ps were observed and a regime of operation was found where a single longitudinal mode predominates in the output spectrum.Keywords
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