Stimulated emission, gain, and coherent oscillations in II-VI semiconductor microcavities

被引:42
作者
Kelkar, PV
Kozlov, VG
Nurmikko, AV
Chu, CC
Han, J
Gunshor, RL
机构
[1] BROWN UNIV,DEPT PHYS,PROVIDENCE,RI 02912
[2] PURDUE UNIV,SCH ELECT ENGN,W LAFAYETTE,IN 47907
来源
PHYSICAL REVIEW B | 1997年 / 56卷 / 12期
关键词
D O I
10.1103/PhysRevB.56.7564
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The large oscillator strength for excitons in ZnSe-based quantum wells (QW's) is reflected in a normal-mode (Rabi) splitting which exceeds 10 meV per QW at low temperatures when measured by conventional linear optical probes or by four-wave mixing technique. The dominating impact of the electron-hole Coulomb interaction extends to high pair densities, including the regime of vertical cavity laser operation. Measurement of gain spectra shows how the composite photon-exciton oscillator supplies the optical gain for a laser operating beyond the perturbative regime.
引用
收藏
页码:7564 / 7573
页数:10
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