Abstract We have studied the stimulated emission from InAsP/InP strained-multiple-quantum wells at room temperature. The stimulated emission spectra weave seen with three lobes, which are E1H and E1L transitions, and a tran-sitions from heavy hole initial states to localized interface states. The E1H transitions exhibited different gain value from that of the transitions between the heavy hole and the interface states. With increasing excitation intensity, the gain of the interface peak appears to be saturated at lower excitation intensity. A method for identifying the inter face peak in the photoluminescene spectrum has been proposed.
Received: 04 July 1996
Revised: 15 November 1996
Accepted manuscript online:
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