Optical waveguides – With optical coupler – Particular coupling structure
Reexamination Certificate
2007-04-04
2010-11-23
Bolda, Eric (Department: 3663)
Optical waveguides
With optical coupler
Particular coupling structure
C359S341320, C359S349000
Reexamination Certificate
active
07840107
ABSTRACT:
An optical pumping device is provided in which a multi-core fiber obtained by bundling up a plurality of optical fibers, which are input ports, and a double clad fiber for optical pumping are spliced through a bridge fiber composed of a double clad fiber having a tapered shape. Accordingly, it is possible to efficiently couple signal light and pumping light to the double clad fiber for optical pumping.
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Kitabayashi Tomoharu
Saito Manabu
Sakai Tetsuya
Tanaka Hironori
Tanigawa Shoji
Bolda Eric
Fujikura Ltd.
Sughrue & Mion, PLLC
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