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Proceedings Paper

Surface modes and loss in air-core photonic bandgap fibers
Author(s): Douglas C. Allan; Nicholas F. Borrelli; Michael T. Gallagher; Dirk Müller; Charlene M. Smith; Natesan Venkataraman; James A. West; Peihong Zhang; Karl W. Koch
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Paper Abstract

We briefly review recent progress in the fabrication and characterization of air-core photonic band-gap fibers. These are silica fibers with an hexagonal array of air holes in the cladding, and a larger air hole creating the core. Improved structural uniformity transverse to the fiber axis and down the fiber axis has yielded fibers with better transmission characteristics. We have measured a minimum loss of 13 dB/km at 1500 nm for a 100 m length of our fiber. This is a marked improvement over previous loss measurements for air-core fibers of any kind. A comparison of observed spectra and calculated gap modes suggests that coupling between surface modes and core modes may be an important contributor to the remaining loss. We present a detailed analysis of the expected losses associated with mode crossings between the fundamental core mode and surface modes, showing that Lorentzian-shaped loss peaks are predicted.

Paper Details

Date Published: 9 July 2003
PDF: 14 pages
Proc. SPIE 5000, Photonic Crystal Materials and Devices, (9 July 2003); doi: 10.1117/12.480052
Show Author Affiliations
Douglas C. Allan, Corning Inc. (United States)
Nicholas F. Borrelli, Corning Inc. (United States)
Michael T. Gallagher, Corning Inc. (United States)
Dirk Müller, Corning Inc. (United States)
Charlene M. Smith, Corning Inc. (United States)
Natesan Venkataraman, Corning Inc. (United States)
James A. West, Corning Inc. (United States)
Peihong Zhang, Corning Inc. (United States)
Karl W. Koch, Corning Inc. (United States)

Published in SPIE Proceedings Vol. 5000:
Photonic Crystal Materials and Devices
Ali Adibi; Axel Scherer; Shawn Yu Lin, Editor(s)

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