Four distributed feedback laser array integrated with multimode-interference and semiconductor optical amplifier

doi:10.1088/1674-1056/22/5/054211

Abstract Monolithic integration of four 1.55-μ InGaAsP/InP distributed feedback (DFB) lasers using varied ridge width with a 4×1 multimode-interference (MMI) optical combiner and a semiconductor optical amplifier (SOA) is demonstrated. The average output power and the threshold current are 1.8 mW and 35 mA, respectively, when the injection current of the SOA is 100 mA, with a side mode suppression ratio (SMSR) exceeding 40 dB. The four channels have a 1-nm average channel spacing and can operate separately or simultaneously.

Keywords: distributed feedback laser array varied width ridge monolithic integration butt-joint

Received: 06 September 2012
Revised: 19 November 2012
Accepted manuscript online:

PACS:	42.82.Gw	(Other integrated-optical elements and systems)
	42.55.Px	(Semiconductor lasers; laser diodes)
	42.82.Cr	(Fabrication techniques; lithography, pattern transfer)

Fund: Project supported by the National High Technology Research and Pevelopment Program of China (Grant Nos. 2011AA010303 and 2012AA012203), the National Basic Research Program of China (Grant No. 2011CB301702), and the National Natural Science Foundation of China (Grant Nos. 61021003 and 61090392).

Corresponding Authors: Zhu Hong-Liang
E-mail: zhuhl@red.semi.ac.cn

Cite this article:

Ma Li (马丽), Zhu Hong-Liang (朱洪亮), Liang Song (梁松), Zhao Ling-Juan (赵玲娟), Chen Ming-Hua (陈明华) Four distributed feedback laser array integrated with multimode-interference and semiconductor optical amplifier 2013 Chin. Phys. B 22 054211

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Four distributed feedback laser array integrated with multimode-interference and semiconductor optical amplifier

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