Narrow linewidth two-electrode 1560 nm laterally coupled distributed feedback lasers with third-order surface etched gratings

被引:18
作者
Dridi, Kais [1 ]
Benhsaien, Abdessamad [1 ]
Zhang, Jessica [2 ]
Hinzer, Karin [1 ,3 ]
Hall, Trevor J. [1 ]
机构
[1] Univ Ottawa, Photon Technol Lab, Ctr Res Photon, 800 King Edward Ave, Ottawa, ON K1N 6N5, Canada
[2] CMC Microsyst, Ottawa, ON K1A 0R6, Canada
[3] Univ Ottawa, SUNLAB, Ctr Res Photon, Ottawa, ON K1N 6N5, Canada
来源
OPTICS EXPRESS | 2014年 / 22卷 / 16期
基金
加拿大自然科学与工程研究理事会;
关键词
31;
D O I
10.1364/OE.22.019087
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report on the design and characterization of a re-growth free InGaAsP/InP multiple quantum well two-electrode laterally coupled distributed feedback (LC-DFB) lasers. Third-order surface etched gratings have been defined on the ridge sidewalls along the laser cavity by means of stepper lithography. The lasers oscillate in single-mode around 1560 nm with high side mode suppression ratios (> 52 dB), a wavelength tuning (>= 3nm), an output power (>= 6 mW), and narrow linewidth (< 170 kHz) under various current injection ranges at room temperature. A minimum linewidth of 94 kHz has been recorded for 1500 mu m-long two-electrode LC-DFB laser while providing non-uniform current injection through the two electrodes. The effect of the width of the inter-electrode gap on these different performance measures is also studied. (C) 2014 Optical Society of America
引用
收藏
页码:19087 / 19097
页数:11
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