Analysis of propagation characteristics for an octagonal photonic crystal fiber (O-PCF)
Journal
Optics Communications
Journal Volume
258
Journal Issue
2
Pages
170-176
Date Issued
2006
Date
2006
Author(s)
Chiang, Jung-Sheng
DOI
246246/2006111501243606
Abstract
An octagonal photonic crystal fiber (O-PCF) structure with eight air-holes on the first ring is proposed based on a unit isosceles triangle. The propagation characteristics and cut-off behaviors of the O-PCF and the standard hexagonal PCF (H-PCF) are numerically investigated by combining the vector boundary method and the effective area method. The phase boundaries for cut-off, single-mode, and multi-mode operations between the O-PCF and H-PCF are calculated and compared. It is found that under the same pitch Λ and air filling fraction (AFF) of the air-holes the O-PCF has significantly wider wavelength range operating in single-mode region, more circular-like field distribution, and less confinement loss than the H-PCF. © 2005 Elsevier B.V. All rights reserved.
Subjects
Air filling fraction
Photonic crystal fiber
Single-mode
Vector boundary element method
Other Subjects
Boundary element method; Crystal structure; Crystalline materials; Vectors; Wave propagation; Air filling fraction; Photonic crystal fibers; Single-mode; Vector boundary element method; Optical fibers
Publisher
Taipei:National Taiwan University Dept Elect Engn
Type
journal article
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