Title:
DEVICE AND METHOD FOR GENERATING DUMMY LIGHT SIGNAL, AND RECONFIGURABLE OPTICAL ADD-DROP MULTIPLEXER
Document Type and Number:
WIPO Patent Application WO/2022/152115
Kind Code:
A1
Abstract:
The embodiments of the present application disclose a device for generating a dummy light signal, which is applied to the field of communications. The device comprises: a light source module, configured to generate a first wavelength signal and a second wavelength signal, wherein the first wavelength signal has N first channels, and the second wavelength signal has M second channels; and a polarization beam combiner, configured to polarize and combine the first wavelength signal and the second wavelength signal, so as to output a dummy light signal, the dummy light signal having (N+M) channels. The polarization state of the wavelength signal of the dummy light signal in any one of the first channels is orthogonal to the polarization state of the wavelength signal of that in any one of the second channels. In the present application, the polarization states of the wavelength signals of the dummy light signal in a first channel and a second channel are orthogonal, so that a dummy light signal of one channel is formed by means of a wavelength signal of one channel, thereby reducing the cost.
Inventors:
CHEN FEI (CN)
ZHAO ZHUANG (CN)
LI MING (CN)
ZHAO ZHUANG (CN)
LI MING (CN)
Application Number:
PCT/CN2022/071271
Publication Date:
July 21, 2022
Filing Date:
January 11, 2022
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04J14/02
Domestic Patent References:
| WO2008122180A1 | 2008-10-16 |
Foreign References:
| CN106685532A | 2017-05-17 | |||
| US6236480B1 | 2001-05-22 | |||
| US6459515B1 | 2002-10-01 | |||
| US20160308639A1 | 2016-10-20 | |||
| US20160020866A1 | 2016-01-21 | |||
| CN202110049635A | 2021-01-14 |
Attorney, Agent or Firm:
SHENPAT INTELLECTUAL PROPERTY AGENCY (CN)
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