Title:
PLANAR WAVEGUIDE AND LASER AMPLIFIER
Document Type and Number:
WIPO Patent Application WO/2019/130551
Kind Code:
A1
Abstract:
The present invention comprises: a first dielectric multilayer film (15) disposed on one of two end surfaces of a core (11), a first inner cladding (12), a first outer cladding (13), and a second outer cladding (14), the first dielectric multilayer film (15) transmitting a wavelength band that includes the wavelength of signal light (2) and reflecting first excitation light (4); and a second dielectric multilayer film (12) disposed on the other of the two end surfaces, the second dielectric multilayer film (12) transmitting a wavelength band that includes the wavelength of the signal light (2) and reflecting the first excitation light (4).
Inventors:
HIROSAWA KENICHI (JP)
SHOHDA FUMIO (JP)
KAMEYAMA SHUMPEI (JP)
SHOHDA FUMIO (JP)
KAMEYAMA SHUMPEI (JP)
Application Number:
PCT/JP2017/047248
Publication Date:
July 04, 2019
Filing Date:
December 28, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01S3/063
Domestic Patent References:
| WO2014087468A1 | 2014-06-12 | |||
| WO2012173271A1 | 2012-12-20 |
Foreign References:
| JP2013038096A | 2013-02-21 | |||
| JP6192883B1 | 2017-09-06 | |||
| JPH11233863A | 1999-08-27 | |||
| JPH05505280A | 1993-08-05 | |||
| US7880961B1 | 2011-02-01 | |||
| US5291501A | 1994-03-01 |
Other References:
See also references of EP 3719941A4
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (JP)
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