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Proceedings Paper

Analysis of modulation characteristics of widely tunable sampled-grating distributed reflector (SGDBR) lasers based on transmission line laser model
Author(s): Wei Chen; Sheng Hu; Yonglin Yu
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Paper 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.

Paper Details

Date Published: 22 February 2012
PDF: 9 pages
Proc. SPIE 8333, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Devices and Integration, 83330B (22 February 2012); doi: 10.1117/12.919656
Show Author Affiliations
Wei Chen, Wuhan National Lab. for Optoelectronics (China)
Sheng Hu, Wuhan National Lab. for Optoelectronics (China)
Yonglin Yu, Wuhan National Lab. for Optoelectronics (China)


Published in SPIE Proceedings Vol. 8333:
Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Devices and Integration
Erich Kasper; Jinzhong Yu; Xun Li; Xinliang Zhang; Jinsong Xia; Junhao Chu; Zhijiang Dong; Bin Hu; Yan Shen, Editor(s)

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