title: Binary III-V semiconductor core optical fiber.
abstract: For the first time to the best of our knowledge a glass-clad optical fiber comprising a crystalline binary III-V semiconductor core has been fabricated. More specifically, a phosphate glass-clad fiber containing an indium antimonide (InSb) core was drawn using a molten core approach. The core was found to be highly crystalline with some oxygen and phosphorus diffusing in from the cladding glass. While optical transmission measurements were unable to be made, most likely due to free carrier absorption associated with the conductivity of the core, this work constitutes a proof-of-concept that optical fibers comprising semiconductor cores of higher crystallographic complexity than previously realized can be drawn using conventional fiber fabrication techniques. Such binary semiconductors may open the door to future fiber-based nonlinear devices.
authors.affiliation: Center for Optical Materials Science and Engineering Technologies School of Materials Science and Engineering, Clemson University, Clermson, SC 29634, USA. jballat@clemson.edu
authors.forename: John
authors.initials: J
authors.lastname: Ballato
authors.forename: Thomas
authors.initials: T
authors.lastname: Hawkins
authors.forename: Paul
authors.initials: P
authors.lastname: Foy
authors.forename: Colin
authors.initials: C
authors.lastname: McMillen
authors.forename: Laura
authors.initials: L
authors.lastname: Burka
authors.forename: Jason
authors.initials: J
authors.lastname: Reppert
authors.forename: Ramakrishna
authors.initials: R
authors.lastname: Podila
authors.forename: A M
authors.initials: AM
authors.lastname: Rao
authors.forename: Robert R
authors.initials: RR
authors.lastname: Rice