Analysis of modulation characteristics of widely tunable sampled-grating distributed reflector (SGDBR) lasers based on transmission line laser model

Wei Chen; Sheng Hu; Yonglin Yu

doi:10.1117/12.919656

22 February 2012 Analysis of modulation characteristics of widely tunable sampled-grating distributed reflector (SGDBR) lasers based on transmission line laser model

Wei Chen, Sheng Hu, Yonglin Yu

Author Affiliations +

Proceedings Volume 8333, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Devices and Integration; 83330B (2012) https://doi.org/10.1117/12.919656
Event: Photonics and Optoelectronics Meetings 2011, 2011, Wuhan, China

Abstract

The combined laser model based on transmission line laser mode (TLLM) is extended to investigate intensity modulation (IM) response and frequency modulation (FM) response of SGDBR lasers in this paper. While carrier-depended refraction index, spontaneous emission noise and their coupling are included in the consequent dynamic frequency shift and intensity fluctuation can reflect dynamics of SGDBR lasers in more real circumstances. Simulation results indicate that direct modulation bandwidth increases as bias current increases in IM. Frequency chirp in small signal IM and the fluctuation of output optical power in FM are also discussed.

Citation Download Citation

Wei Chen, Sheng Hu, and Yonglin Yu "Analysis of modulation characteristics of widely tunable sampled-grating distributed reflector (SGDBR) lasers based on transmission line laser model", Proc. SPIE 8333, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Devices and Integration, 83330B (22 February 2012); https://doi.org/10.1117/12.919656

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