2011, Vol. 28(7): 74204-074204    DOI: 10.1088/0256-307X/28/7/074204
	An Optical 2×4 90° Hybrid Based on a Birefringent Crystal for a Coherent Receiver in a Free-Space Optical Communication System
	HOU Pei-Pei, ZHI Ya-Nan**, ZHOU Yu, SUN Jian-Feng, LIU Li-Ren
	Key Laboratory of Space Laser Communication and Testing Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
	收稿日期 2010-07-09  修回日期 1900-01-01
	Supporting info
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