具有Fabry-Perot腔的Zd0.8Cd0.2Se-ZnSe应变层超晶格中的受激辐射和自发辐射

Thin Film Physics and Applications Pub Date : 1998-02-20 DOI:10.1117/12.300657

Zhuhong Zheng, Z. Guan, Xiwu Fan

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摘要

在具有Fabry-Perot腔的Zn0.8Cd0.2Se-ZnSe应变层超晶格(SLS)中实现了77K下受激到自发发射的转变。发现在较高的激发密度下，由于激子态的相空间填充效应，激光振荡模式消失，受激发射转变为放大的自发发射。

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Stimulated and spontaneous emissions in Zd0.8Cd0.2Se-ZnSe strained layer superlattice with Fabry-Perot cavity

The transformation from stimulated to spontaneous emissions at 77K is performed in Zn0.8Cd0.2Se-ZnSe strained layer superlattice (SLS) with Fabry-Perot cavity. It is found that the lasing oscillation modes disappear and the stimulated emission is transformed into the amplified spontaneous emission owing to the phase space filling effect of exciton states under higher excitation density.

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Thin Film Physics and Applications

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