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Title:
OPTICAL COUPLING SYSTEM AND OPTICAL COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/063414
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a compact optical coupling system having a simple structure and an optical communication device using the same. The problem is solved by an optical coupling system (1) that couples a multicore fiber (10) and a coupling target device (18) together via a combination of a polarized beam control element (14) facing a light entering/emitting surface (12) of the multicore fiber (10) and a polarization selective diffraction element (17) which is positioned on a side of the polarized beam control element (14) opposite to the emitting surface of the multicore fiber (10) and which faces the coupling target device (18).

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Inventors:
SAITOH YUKITO (JP)
KAMO MAKOTO (JP)
SEKIGUCHI MEGUMI (JP)
YANAI YUJIRO (JP)
Application Number:
PCT/JP2022/038355
Publication Date:
April 20, 2023
Filing Date:
October 14, 2022
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
G02B6/27; G02B5/18; G02B5/30; G02B6/02; G02B6/28; G02F1/13; H04J14/00
Domestic Patent References:
WO2016175071A12016-11-03
Foreign References:
JP2016103021A2016-06-02
US20120188467A12012-07-26
CN113176554A2021-07-27
JP2019082518A2019-05-30
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
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