Article comprising a multimode optical fiber coupler

Details Article comprising a multimode optical fiber coupler Article comprising a multimode optical fiber coupler

G - Physics

02

B

G02B 6/26 (2006.01) G02B 6/245 (2006.01) G02B 6/28 (2006.01) G02B 6/30 (2006.01) G02B 6/42 (2006.01) G02B 6/06 (2006.01)

Patent

CA 2352950

The present invention is an optical coupler comprising a plurality of optical fibers that have unclad (core-exposed) ends and tapered cladding regions extending to cladded ends. The core-exposed ends are arranged in a bundle, and the cladded ends can be arranged as needed. The optical coupler can efficiently couple between waveguides of different core areas and shapes. For example, it may be used to connect a multimode collection fiber having a core area of greater than 50 µm to a planar waveguide amplifier having waveguide strips with heights of 5 µm or less.

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