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Title:
OPTICAL RECEIVER AND OPTICAL COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/198511
Kind Code:
A1
Abstract:
This optical receiver 20 receives, with a light-receiving element 21, a light beam having a spiral wave surface propagated through a multimode fiber 30. The optical receiver 20 is provided with a receiving side vortex optical element 24 disposed between the multimode fiber 30 and the light-receiving element 21.

Inventors:
TSUNETOMO KEIJI (JP)
KUSAKA SATORU (JP)
Application Number:
PCT/JP2018/006756
Publication Date:
November 01, 2018
Filing Date:
February 23, 2018
Export Citation:
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Assignee:
NIPPON SHEET GLASS CO LTD (JP)
International Classes:
G02B6/26; G02B6/43
Domestic Patent References:
WO2013110842A12013-08-01
Foreign References:
US20100002993A12010-01-07
JP2009300486A2009-12-24
JP2002277695A2002-09-25
US20160013870A12016-01-14
US8244085B22012-08-14
JP2008046312A2008-02-28
JP2016091014A2016-05-23
Other References:
See also references of EP 3617759A4
Attorney, Agent or Firm:
MORISHITA Sakaki (JP)
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