Design of electrically pumped sub-micron lasers on patterned SOI substrates

Zhengxia Yang; Yajie Li; Xuliang Zhou; Jiaoqing Pan

doi:10.1117/12.2585196

4 December 2020 Design of electrically pumped sub-micron lasers on patterned SOI substrates

Zhengxia Yang, Yajie Li, Xuliang Zhou, Jiaoqing Pan

Author Affiliations +

Proceedings Volume 11617, International Conference on Optoelectronic and Microelectronic Technology and Application; 116171N (2020) https://doi.org/10.1117/12.2585196
Event: International Conference on Optoelectronic and Microelectronic Technology and Application, 2020, Nanjing, China

Abstract

We have designed electrically pumped sub-micron lasers on the SOI substrates, and proposed to incorporate InP tunnel junctions into sub-micron lasers to reduce carrier absorption loss. Numerical simulations show that the sub-micron laser is able to support a stable optical guide mode with a metal absorption loss of 2.13 dB/cm. And after doping, carrier absorption loss of the sub-micron laser without a tunnel junction is 11.67 dB/cm while carrier absorption loss of the sub-micron laser with InP tunnel junction is 6.72dB/cm. By incorporating InP tunnel junction, carrier absorption loss of the sub-micron laser is reduced by 42% so that a lower lasing threshold is obtained. The optimization of metal absorption loss and carrier absorption loss are of great significance for electrically pumped lasing, which promotes the realization of silicon-optical full integration

Citation Download Citation

Zhengxia Yang, Yajie Li, Xuliang Zhou, and Jiaoqing Pan "Design of electrically pumped sub-micron lasers on patterned SOI substrates", Proc. SPIE 11617, International Conference on Optoelectronic and Microelectronic Technology and Application, 116171N (4 December 2020); https://doi.org/10.1117/12.2585196

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