Coherence collapse and low-frequency fluctuations in quantum-dash based lasers emitting at 1.57 μm

被引：21
作者：
Azouigui, S.
Kelleher, B.
Hegarty, S. P.
Huyet, G.
Dagens, B.
Lelarge, F.
Accard, A.
Make, D.
Le Gouezigou, O.
Merghem, K.
Martinez, A.
Zou, Q.
Ramdane, A.
机构：
[1] CNRS, Lab Photon & Nanostruct, F-91460 Marcoussis, France
[2] Natl Univ Ireland Univ Coll Cork, Tyndall Natl Inst, Evry, France
[3] Cork Inst Technol, Dept Appl Phys & Instrumentat, Cork, Ireland
[4] Alcatel Thales Lab III IV, Marcoussis, France
来源：
OPTICS EXPRESS | 2007年 / 15卷 / 21期
关键词：
D O I：
10.1364/OE.15.014155
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical feedback tolerance is experimentally investigated on a 600-mu m-long quantum-dash based Fabry-Perot laser emitting at 1.57 mu m. While quantum- dashes are structurally intermediate to quantum-wells and quantum-dots, the observed behaviour is distinctly like that of a quantum-well based laser but with greater stability. Coherence collapse and low-frequency fluctuation regimes are observed and are reported here. The onset of the coherence collapse regime is experimentally determined and is found to vary from -29 dB to -21 dB external feedback level when increasing the current from twice to nine times the threshold current. (c) 2007 Optical Society of America.
引用
收藏
页码：14155 / 14162
页数：8
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