Corning Incorporated

Leo C Thomas

Daniel Aloysius Nolan

Carlton Maurice Truesdale

Douglas E Harshbarger

A single mode waveguide coupling to a multimode fiber of a high-bandwidth local optical network is made by a tapered coupler that expands the spot size of the propagating beam to fill additional modes of the multimode fiber. The tapered coupler has a core surrounded by inner and outer layers of cladding. The core and the inner cladding layer are drawn down along their length to force light from the core into the surrounding inner cladding layer. The outer cladding layer confines the expanded beam within the core and inner cladding layer.

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Corning, NY, United States of America

Leo C Thomas