Time-resolved relaxation oscillations in gain-clamped semiconductor optical amplifiers by pump and probe measurements

Pump and probe measurements with femtosecond resolution are performed on a gain-clamped semiconductor optical amplifier, a structure that contains a lasing mode. The corresponding relaxation oscillations are observed in the temporal gain recovery of the amplifier. The current dependence of the oscillations is well reproduced by a small-signal analysis of the laser rate equations. The gain recovery can be very fast, we measure damping rates of up to 40 GHz.


Published in:
Quantum and Semiclassical Optics, 9, 5, 675-679
Year:
1997
ISSN:
1355-5111
Keywords:
Note:
Hessler, T, ECOLE POLYTECH FED LAUSANNE,INST MICRO & OPTOELECT,CH-1015 LAUSANNE,SWITZERLAND.
ISI Document Delivery No.: YB242
Times Cited: 5
Cited Reference Count: 12
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 Record created 2007-08-31, last modified 2018-03-17


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