Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/51260
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Type: Journal article
Title: Bandgaps and antiresonances in integrated-ARROWs and Bragg fibers; a simple model
Author: Rowland, K.
Afshar Vahid, S.
Monro, T.
Citation: Optics Express, 2008; 16(22):17935-17951
Publisher: Optical Soc Amer
Issue Date: 2008
ISSN: 1094-4087
1094-4087
Statement of
Responsibility: 
Kristopher J. Rowland, Shahraam Afshar V. and Tanya M. Monro
Abstract: We consider the spectral properties of dielectric waveguides with low refractive index cores and binary layered claddings, such as Bragg fibers and integrated-ARROWs. We show that the full, nontrivial, 2-D spectrum of Bloch bands (hence bandgaps) of such claddings correspond, in structure and topology, to the dispersion properties of both constituent layer types; quantitatively demonstrating an intimate relationship between the bandgap and antiresonance guidance mechanisms. The dispersion functions of these layers, and the interactions thereof, thus form what we coin the Stratified Planar Anti-Resonant Reflecting OpticalWaveguide (SPARROW) model, capable of quantitative, analytic, descriptions of many nontrivial bandgap and antiresonance properties. The SPARROW model is useful for the spectral analysis and design of Bragg fibers and integrated-ARROWs with cores of arbitrary refractive index (equal to or less than the lowest cladding index). Both waveguide types are of interest for sensing and microfluidic applications due to their natural ability to guide light within low-index cores, permitting low-loss guidance within a large range of gases and liquids. A liquid-core Bragg fiber is discussed as an example, demonstrating the applicability of the SPARROW model to realistic and important waveguide designs.
Rights: © 2008 Optical Society of America
RMID: 0020083295
DOI: 10.1364/OE.16.017935
Grant ID: http://purl.org/au-research/grants/arc/LP0776947
Published version: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-22-17935
Appears in Collections:Centre of Expertise in Photonics publications

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