Photon and Carrier Density Profiles in a Semiconductor Optical Amplifier

We investigate, experimentally and theoretically, the optical amplification and its saturation in a mirrorless semicondctor quantum well laser. We optically excite a narrow stripe of variable length and measure the profiles of spontaneous and stimulated luminescence spectra. Comparison of theory and experiment reveals that saturation is mainly caused by carrier depopulation through stimulated electron-hole recombination, and by the loss of light travelling in the direction of the stripe.


Published in:
Solid State Communications, 88, 8, 623-627
Year:
1993
ISSN:
0038-1098
Keywords:
Note:
Univ cagliari,dipartimento sci fis,i-09124 cagliari,italy. Butty, j, ecole polytech fed lausanne,inst phys appl,ph ecublens,ch-1015 lausanne,switzerland.
ISI Document Delivery No.: MK898
Times Cited: 4
Cited Reference Count: 20
Cited References:
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