Title:
LOW-CROSSTALK SINGLE-CORE BIDIRECTIONAL OPTICAL COMPONENT
Document Type and Number:
WIPO Patent Application WO/2019/153181
Kind Code:
A1
Abstract:
A low-crosstalk single-core bidirectional optical component (200), comprising: an input/output end (201), a polarization beam splitter/combiner (202), a first polarization reflector (203), a second polarization reflector ( 204), at least one optical signal transmission unit (205), an optical signal receiving unit (206) and a diaphragm (207), wherein the diaphragm (207) comprises a light-transmitting region (2072) and an internal light-blocking region (2071), and the internal light-blocking region (2071) is used for blocking an optical crosstalk signal (210) reflected or transmitted by the polarization beam splitter/combiner (202) to the optical signal receiving unit (206). In addition, by providing incident end faces (2011, 2021), the angle between which and an emergent optical signal (209) is greater than eight degrees, of the input/output end (201) and the polarization beam splitter/combiner (202), an optical crosstalk signal (2012) reflected on the end faces (2011, 2021) is propagated off a main communication optical path, thereby reducing the energy for the optical crosstalk signals (210, 2012) reaching the optical signal receiving unit (206), effectively improving the quality of the signals received by the optical signal receiving unit (206), and realizing bidirectional transmission of optical signals having high signal-to-noise ratios and the same wavelength or near wavelengths.
Inventors:
CHEN BO (CN)
XU HUIJIE (CN)
WEN JUNHUA (CN)
CHEN CONGGAN (CN)
XU HUIJIE (CN)
WEN JUNHUA (CN)
CHEN CONGGAN (CN)
Application Number:
PCT/CN2018/075804
Publication Date:
August 15, 2019
Filing Date:
February 08, 2018
Export Citation:
Assignee:
XUZHOU XUHAI OPTO ELECTRONIC TECH CO LTD (CN)
International Classes:
G02B27/28
Foreign References:
| CN104656286A | 2015-05-27 | |||
| CN106198568A | 2016-12-07 | |||
| CN104133273A | 2014-11-05 | |||
| CN105891956A | 2016-08-24 | |||
| CN202444490U | 2012-09-19 | |||
| US7039278B1 | 2006-05-02 | |||
| US20040001660A1 | 2004-01-01 |
Attorney, Agent or Firm:
SHENZHEN ZHONGYI UNION INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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