Sughrue Mion, PLLC
Optical pumping device, optical amplifier, fiber laser, and multicore fiber for optical pumping device
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.
Fujikura Ltd.
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Manabu Tetsuya Hironori Shoji Tomoharu
Saito Sakai Tanaka Tanigawa Kitabayashi