Title:
WAVELENGTH SELECTIVE SWITCH
Document Type and Number:
WIPO Patent Application WO/2023/274317
Kind Code:
A1
Abstract:
A wavelength selective switch (100), comprising: a light-splitting module (10) which is used for splitting first light so as to output multiple beams of second light; a light diffraction module (20) which is used for receiving and diffracting the multiple beams of second light so as to emit multiple beams of third light, comprising a plurality of diffraction regions (21), each diffraction region (21) being used for diffracting a corresponding beam of second light and emitting a beam of third light; and a light transmission module (30), which is located on light paths of the multiple beams of third light, wherein the light transmission module (30) comprises a plurality of output channels (31), each output channel (31) is used for receiving and outputting a target diffraction order of at least one beam of third light, and the mode field radius of each output channel (31) is equal to the beam waist radius of the received target diffraction order of the at least one beam of third light; and the beam waist radius of the target diffraction order of the at least one beam of third light is different from the beam waist radius of at least one diffraction order among other diffraction orders of the at least one beam of third light, and/or the beam waist radius of the target diffraction order of the at least one beam of third light is different from the beam waist radius of at least one beam of third light among other third light beams.
Inventors:
GUO ZHENGWEI (CN)
LIU HELIANG (CN)
LI ZHAOMING (CN)
DING BIFENG (CN)
LIU HELIANG (CN)
LI ZHAOMING (CN)
DING BIFENG (CN)
Application Number:
PCT/CN2022/102470
Publication Date:
January 05, 2023
Filing Date:
June 29, 2022
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G02B6/35; G02B6/293; H04J14/02
Foreign References:
| CN108293155A | 2018-07-17 | |||
| CN103443700A | 2013-12-11 | |||
| US20090220192A1 | 2009-09-03 | |||
| CN112987185A | 2021-06-18 |
Attorney, Agent or Firm:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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