標題: Investigation of quantum dot passively mode-locked lasers with excited-state transition
作者: Cheng, Hsu-Chieh
Lee, Chien-Ping
電子工程學系及電子研究所
Department of Electronics Engineering and Institute of Electronics
公開日期: 4-十一月-2013
摘要: Monolithic passively mode-locked quantum dot lasers with excited-state transition were investigated in a broad operating range without ground-state lasing. Optical and electrical characteristics of these mode locked lasers were studied in detail at different levels of injection current and absorber bias. Very different behaviors in the evolution of the hysteresis, the optical spectra and the evolution of repetition frequency were observed between our lasers and conventional quantum dot lasers with ground-state transition. Possible mechanisms behind these observed phenomena were proposed and discussed. A minimum pulse width of 3.3 ps and an externally compressed pulse width of 0.78 ps were obtained. (C) 2013 Optical Society of America
URI: http://dx.doi.org/10.1364/OE.21.026113
http://hdl.handle.net/11536/23272
ISSN: 1094-4087
DOI: 10.1364/OE.21.026113
期刊: OPTICS EXPRESS
Volume: 21
Issue: 22
起始頁: 26113
結束頁: 26122
顯示於類別:期刊論文


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