Title:
SEMICONDUCTOR LIGHT SOURCE ELEMENT AND METHOD OF MANUFACTURING OPTICAL SEMICONDUCTOR WAVEGUIDE WINDOW STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2020/255183
Kind Code:
A1
Abstract:
Provided are a semiconductor light source element or an optical device having, at a light emitting end thereof, a window structure made of the same material as an overclad layer, and including a semiconductor optical waveguide having a high mesa semi-insulated embedded structure, and a manufacturing method therefor, wherein an active layer in a portion of the window structure is removed, and then the same layer as the overclad layer is formed.
Inventors:
FUJIWARA NAOKI (JP)
SHINDO TAKAHIKO (JP)
KANAZAWA SHIGERU (JP)
CHIN MEISHIN (JP)
SHINDO TAKAHIKO (JP)
KANAZAWA SHIGERU (JP)
CHIN MEISHIN (JP)
Application Number:
PCT/JP2019/023812
Publication Date:
December 24, 2020
Filing Date:
June 17, 2019
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
H01S5/16; G02B6/12; H01S5/026; H01S5/12
Foreign References:
| JP2000188441A | 2000-07-04 | |||
| JP2018060973A | 2018-04-12 | |||
| JP2016072608A | 2016-05-09 | |||
| US20030026576A1 | 2003-02-06 | |||
| JP2009094410A | 2009-04-30 | |||
| JPS5823920B2 | 1983-05-18 |
Other References:
See also references of EP 3985812A4
Attorney, Agent or Firm:
TANI & ABE, P.C. (JP)
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