Threshold gain temperature dependence of composite resonator vertical-cavity lasers

被引:8
|
作者
Lehman, AC [1 ]
Choquette, KD [1 ]
机构
[1] Univ Illinois, Dept Elect & Comp Engn, Urbana, IL 61801 USA
关键词
coupled-cavity; threshold current; threshold gain; vertical-cavity surface-emitting laser (VCSEL);
D O I
10.1109/JSTQE.2005.853851
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Vertical-cavity surface-emitting lasers (VCSELs) with two optically coupled but electrically isolated cavities form composite resonator vertical-cavity lasers (CRVCLs). These devices may lase at one of two wavelengths depending on the bias conditions to the two cavities and temperature. A model of the modal gain is presented, which explains the lasing wavelength at threshold based on the spatial and spectral overlap of the micro- cavity optical modes with the two gain regions.
引用
收藏
页码:962 / 967
页数:6
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