Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15449
Title: Optical properties of photonic crystal fibers with a fiber core of arrays of sub-wavelength circular air holes : birefringence and dispersion
Authors: Chen, D
Tse, MLV
Tam, HY 
Issue Date: 2010
Source: Progress in electromagnetics research, 2010, v. 105, p. 193-212 How to cite?
Journal: Progress in Electromagnetics Research 
Abstract: We propose a kind of novel photonic crystal fibers (PCFs) based on a fiber core with arrays of subwavelength circular air holes, achieving the flexible control of the birefringence or the dispersion property of the PCFs. A highly birefringent (HB) PCF is achieved by employing arrays of subwavelength circular air hole pairs in the fiber core, which are arranged as a conventional hexagonal lattice structure with a subwavelength lattice constant. The HB-PCF is with uniform and ultrahigh birefringence (up to the order of 0.01) in a wavelength region from 1.25 μm to 1.75 μm or even a larger region, which, to the best of our knowledge, is the best birefringence property of the PCFs. A dispersion-flattened (DF) PCF with near-zero dispersion is achieved by employing arrays of subwavelength circular air holes in the fiber core arranged as a conventional hexagonal lattice structure with a subwavelength lattice constant, which contributes negative waveguide dispersion to the PCF. The proposed design of the DF-PCF provides an alternate approach for the dispersion control of the PCF. Besides the high birefringence and the flattened near-zero dispersion, the proposed PCFs with a fiber core of arrays of subwavelength circular air holes have the potential to achieve a large mode area single mode PCF.
URI: http://hdl.handle.net/10397/15449
ISSN: 1070-4698
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