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Optical Engineering

Improved design of photonic crystal waveguides with elliptical holes for enhanced slow light performance
Author(s): Nagesh L. Janrao; Rukhsar Zafar; Vijay Janyani
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Paper Abstract

We propose a new design for slow-light photonic crystal W1 waveguide, which uses a combination of circular and elliptical air holes arranged in a hexagonal lattice with background material of refractive index n = 2.84. Large value of normalized delay bandwidth product (NDBP = 0.3708) is obtained. We have also analyzed dispersion property for the structure and achieved nearly "zero-dispersion" for a very large bandwidth. Our proposed photonic crystal waveguide has slow light applications such as reduction in length and power consumption of all-optical and electro-optic switches at optical frequency.

Paper Details

Date Published: 4 June 2012
PDF: 8 pages
Opt. Eng. 51(6) 064001 doi: 10.1117/1.OE.51.6.064001
Published in: Optical Engineering Volume 51, Issue 6
Show Author Affiliations
Nagesh L. Janrao, Malaviya National Institute of Technology (India)
Rukhsar Zafar, Malaviya National Institute of Technology (India)
Vijay Janyani, Malaviya National Institute of Technology (India)


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