Antiresonant reflecting photonic crystal optical waveguides

We propose a simple analytical theory for low-index core photonic bandgap optical waveguides based on an antiresonant reflecting guidance mechanism. We identify a new regime of guidance in which the spectral properties of these structures are largely determined by the thickness of the high-index lay...

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Bibliographic Details
Published in:Optics letters 2002-09, Vol.27 (18), p.1592-1594
Main Authors: Litchinitser, N M, Abeeluck, A K, Headley, C, Eggleton, B J
Format: Article
Language:English
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Summary:We propose a simple analytical theory for low-index core photonic bandgap optical waveguides based on an antiresonant reflecting guidance mechanism. We identify a new regime of guidance in which the spectral properties of these structures are largely determined by the thickness of the high-index layers and the refractive-index contrast and are not particularly sensitive to the period of the cladding layers. The attenuation properties are controlled by the number of high/low-index cladding layers. Numerical simulations with the beam propagation method confirm the predictions of the analytical model. We discuss the implications of the results for photonic bandgap fibers.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.27.001592