Title:
OPTICAL INTERCONNECTION COMMUNICATION METHOD AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/136046
Kind Code:
A1
Abstract:
An optical interconnection communication method and system, relating to the field of high-speed optical interconnection in data centers. The method comprises: a binary bitstream signal to be transmitted being processed by a DSP and then changed to an analog electrical signal; outputting two paths of light by means of a laser, wherein one path serves as an optical carrier of an integrated dual-polarization coherent optical transmitter to modulate the analog electrical signal into a complex optical field signal, and the other path serves as local oscillation light to carry out time delay adjustment; carrying out coherent frequency mixing on the complex optical field signal and the local oscillation light by means of a polarization-independent coherent optical receiver, wherein the polarization state of the local oscillation light is controlled by means of feedback scrambling, so as to prevent the polarization state of the local oscillation light from falling in X and Y directions; and the electrical signal after the frequency mixing being processed by means of the DSP to restore the binary bitstream signal. The present invention is applicable to various types of modulation formats and various types of rates, and can also reduce the cost and the power consumption.
Inventors:
FENG ZHENHUA (CN)
ZHENG LIN (CN)
HU JIE (CN)
HU FENG (CN)
ZHU QIXIONG (CN)
ZHENG LIN (CN)
HU JIE (CN)
HU FENG (CN)
ZHU QIXIONG (CN)
Application Number:
PCT/CN2020/138778
Publication Date:
July 08, 2021
Filing Date:
December 24, 2020
Export Citation:
Assignee:
FIBERHOME TELECOMMUNICATION TECH CO LTD (CN)
WUHAN FISILINK MICROELECTRONICS TECH CO LTD (CN)
WUHAN FISILINK MICROELECTRONICS TECH CO LTD (CN)
International Classes:
H04B10/516; H04J14/06; H04B10/61
Foreign References:
| CN109639350A | 2019-04-16 | |||
| CN105490769A | 2016-04-13 | |||
| CN107346993A | 2017-11-14 | |||
| JP2010148007A | 2010-07-01 | |||
| US20140044440A1 | 2014-02-13 |
Other References:
LIN SHUO: "The Polarization of Coherentlaser Communication System Performance Impact Analysis and Compencation Technology", CHINESE MASTER'S THESES FULL-TEXT DATABASE, 201600301, pages 1 - 57, XP055826611
Attorney, Agent or Firm:
WUHAN ZHIQUAN PATENT AGENT, LLP. (CN)
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