Patent ID: 8571370
Filing Date: 2013-10-29
Classification: G02B,G02F,H01S

Abstract:
1. An optical fiber configured to propagate at least one lower order mode having a wavelength, λ, said optical fiber comprising: a core region having a core width; and a cladding region surrounding said core region, said cladding region comprising a plurality of cladding features disposed in a matrix material, said plurality of cladding features having a maximum feature size, d, said plurality of cladding features separated by bridges having a maximum bridge width, a, said bridge comprising matrix material, wherein said core width is greater than about 25 micrometers, wherein said plurality of cladding features are arranged in no more than two layers around said core region, and wherein said maximum bridge width has a value that yields a ratio of a/λ that is at least about 5.