Verrillon, Inc.

Paula Fournier

Abdelouahed Soufiane

Chih-Hao Wang

William Paul Jacobsen

Gary Drenzek

David Bolte

John MacDonald

Musa Awaleh

Hussein Elmaola

Jeffrey Mayfield

Embodiments of the invention relate to a single-polarization fiber that may include a W-type refractive-index profile having a depressed region along an unguided principal axis of the fiber, and a quasi step-index profile along a guided principal axis of the fiber. The quasi step-index profile may have a depressed region with a radial extent at least twice that of the depressed region along the unguided axis.

Single-polarization fiber

An optical fiber has a core with a diameter d and a reflective index n ; a primary cladding concentrically surrounding the core and having an outer diameter d and a refractive index n less than the core refractive index n ; and a secondary cladding concentrically surrounding the primary cladding and having an outer diameter d and a refractive index n less than the primary cladding refractive index n .

Optical fiber with a radially varying index of refraction and related methods

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Hampden, MA, United States of America

Paula Fournier