標題: Analysis of Relative Intensity Noise Spectra for Uniformly and Chirpily Stacked InAs-InGaAs-GaAs Quantum Dot Lasers
作者: Lin, Gray
Tang, Hao-Ling
Cheng, Hsu-Chieh
Chen, Hung-Lin
電子工程學系及電子研究所
Department of Electronics Engineering and Institute of Electronics
關鍵字: Differential gain;gain compression;relative intensity noise (RIN);quantum dot lasers
公開日期: 1-Feb-2012
摘要: The dynamic properties of uniformly and chirpily stacked InAs-InGaAs-GaAs quantum dot lasers are analyzed in terms of relative intensity noise spectra. For uniformly stacked quantum dot laser with ground-state lasing emissions of 1.3 mu m, the K-factor limited bandwidth is 13 GHz. The extracted differential gain and gain compression factor are 1.7 x 10(-15) cm(2) and 2 x 10(-16) cm(3), respectively. For chirpily stacked quantum dot laser with excited-state lasing emissions of 1.2 mu m, the K-factor limited bandwidth is 14 GHz. Yet the nonproportional dependence between resonance frequency and square root of incremental current yields differential gain of 4.3 x 10(-15) cm(2) and huge gain compression factor of 1.4 x 10(-14) cm(3).
URI: http://dx.doi.org/10.1109/JLT.2011.2179974
http://hdl.handle.net/11536/15239
ISSN: 0733-8724
DOI: 10.1109/JLT.2011.2179974
期刊: JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume: 30
Issue: 3
起始頁: 331
結束頁: 336
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