Intensity-modulating characteristics of a laser diode subject to optical injection

Xiangzhao Wang; Hongbin Lu; Xuefeng Wang; Feng Qian; Danyang Yu; Zujie Fang

doi:10.1117/12.445713

16 October 2001 Intensity-modulating characteristics of a laser diode subject to optical injection

Xiangzhao Wang, Hongbin Lu, Xuefeng Wang, Feng Qian, Danyang Yu, Zujie Fang

Proceedings Volume 4602, Semiconductor Optoelectronic Device Manufacturing and Applications; (2001) https://doi.org/10.1117/12.445713
Event: International Symposium on Optoelectonics and Microelectronics, 2001, Nanjing, China

Abstract

We have found that the optical power of a laser diode does not change with the injected light intensity that is modulated when its injection current is at some specified values. The amplitude of optical power change of the LD varies periodically with the increase of the injection current. It is made clear through the theoretical analysis that these phenomena are caused by gain compression and interband carrier absorption of the LD that depend on the longitudinal mode competition, bandgap-shrinkage effects, thermal conduction, and so on. Our experimental results make it get easy to eliminate optical power change of LDs. We only need to choose a proper value of the injection current.

Citation Download Citation

Xiangzhao Wang, Hongbin Lu, Xuefeng Wang, Feng Qian, Danyang Yu, and Zujie Fang "Intensity-modulating characteristics of a laser diode subject to optical injection", Proc. SPIE 4602, Semiconductor Optoelectronic Device Manufacturing and Applications, (16 October 2001); https://doi.org/10.1117/12.445713

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