標題: High-power single-mode submonolayer quantum-dot photonic crystal vertical-cavity surface-emitting lasers
作者: Lai, Fang-I.
Yang, H. P. D.
Lin, G.
Hsu, I. -Chen
Liu, Jui-Nung
Maleev, N. A.
Blokhin, S. A.
Kuo, H. C.
Chi, Jim Y.
電子工程學系及電子研究所
光電工程學系
Department of Electronics Engineering and Institute of Electronics
Department of Photonics
關鍵字: divergence angle;quantum-dot;single-mode submonolayer (SML);vertical-cavity surface-emitting laser;(VCSEL)
公開日期: 1-Sep-2007
摘要: A high-power, wide operation-range single-fundamental-mode InGaAs submonolayer (SML) quantum dot (QD) photonic crystal vertical-cavity surface-emitting laser (VCSEL) for fiber-optic applications was demonstrated. Single-fundamental-mode with a threshold current (I-th) of 0.9 mA and maximum continue-wave (CW) output power of 3.8 mW at 28 mA has been achieved in the 990 nm range. A side-mode suppression ratio (SMSR) larger than 35 dB has been observed over the entire current operating range. The far field measurement shows that the beam divergence angle remains very small and almost unchanged between 6.7-6.9 degrees, with the operation range increasing from 3 to 20 mA.
URI: http://dx.doi.org/10.1109/JSTQE.2007.906352
http://hdl.handle.net/11536/10397
ISSN: 1077-260X
DOI: 10.1109/JSTQE.2007.906352
期刊: IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
Volume: 13
Issue: 5
起始頁: 1318
結束頁: 1323
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