Title:
OPTICAL CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2014/156885
Kind Code:
A1
Abstract:
An optical circuit, wherein the effects of reflected light generated by an optical component are reduced. The optical circuit (100) is provided with an optical branching (110) for branching light, an optical coupler (114) for coupling a first portion of branched light to an optical waveguide (118) for transmission, and an optical reflecting unit (116) for reflecting a second portion of the branched light, the phase difference between the reflected light from the optical coupler (114) and the reflected light from the optical reflecting unit (116) being (2m - 1)π (where m is an integer) on an input side of the optical branching (110).
Inventors:
YASHIKI KENICHIRO (JP)
TOKUSHIMA MASATOSHI (JP)
TOKUSHIMA MASATOSHI (JP)
Application Number:
PCT/JP2014/057541
Publication Date:
October 02, 2014
Filing Date:
March 19, 2014
Export Citation:
Assignee:
PHOTONICS ELECTRONICS TECHNOLOGY RES ASS (JP)
International Classes:
G02B6/122; G02B6/30
Domestic Patent References:
| WO2008107963A1 | 2008-09-12 | |||
| WO2008107963A1 | 2008-09-12 |
Foreign References:
| JPH09269428A | 1997-10-14 | |||
| JPH03259203A | 1991-11-19 | |||
| JP2012133363A | 2012-07-12 | |||
| JP2007047534A | 2007-02-22 | |||
| JP2009204694A | 2009-09-10 | |||
| US8168939B2 | 2012-05-01 |
Other References:
See also references of EP 2980618A4
Attorney, Agent or Firm:
ONO, Shinjiro et al. (JP)
Ono Shinjiro (JP)
Ono Shinjiro (JP)
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