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1. 发明公开

EP2431805A1 OPTICAL DEMODULATOR 有权
标题翻译：光解调器
公开(公告)号：EP2431805A1
公开(公告)日：2012-03-21
申请号：EP10832657.0
申请日：2010-11-25
申请人： Huawei Technologies Co., Ltd.
发明人： FU, Zhenghua , DAI, Xiquan , CHENG, Yongjing
IPC分类号： G02F2/00 , H04B10/158
CPC分类号： H04B10/11 , H04B10/676
摘要： The embodiments of the present invention provides an optical demodulator, which includes a first reflective mirror, a second reflective mirror, a third reflective mirror, and an optical splitter. The optical splitter is configured to: split input light for the first time; split for the second time a first path of light reflected back by the first reflective mirror, where two paths of light obtained by splitting the first path of light are emitted to the first reflective mirror and the third reflective mirror respectively, split for the second time a second path of light reflected back by the second reflective mirror, where two paths of light obtained by splitting the second path of light are emitted to the first reflective mirror and the third reflective mirror respectively; and split two paths of light that are reflected back by the first reflective mirror and the third reflective mirror respectively and obtained by splitting the first path of light, and then make the split light to interfere with each other, so as to obtain and emit two paths of light with different phases, and split two paths of light that are reflected back by the first reflective mirror and the third reflective mirror respectively and obtained by splitting the second path of light, and then make the split light to interfere with each other, so as to obtain and emit two paths of light with different phases.

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