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Elliptical defected core photonic crystal fiber with high birefringence and negative flattened dispersion.

Authors
  • Kim, So Eun
  • Kim, Bok Hyeon
  • Lee, Chung Ghiu
  • Lee, Sejin
  • Oh, Kyunghwan
  • Kee, Chul-Sik
Type
Published Article
Journal
Optics Express
Publisher
The Optical Society
Publication Date
Jan 16, 2012
Volume
20
Issue
2
Pages
1385–1391
Identifiers
DOI: 10.1364/OE.20.001385
PMID: 22274483
Source
Medline
License
Unknown

Abstract

We propose a novel design of photonic crystal fiber (PCF) using an elliptical air hole in the core as a defected core in order to enhance the performance of modal birefringence and to control the properties of chromatic dispersion at the same time. From the simulation results, it is shown that the proposed fiber has high birefringence up to the order of 10(-2), negative flattened chromatic dispersion in a broad range of wavelengths, and low confinement loss less than that of the single mode fiber. The outstanding advantage of the proposed PCF is that high birefringence, negative flattened dispersion, and low confinement loss can be achieved just by adding a small sized elliptical air hole in the core to the elliptical air hole PCF, especially at the same time.

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