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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 3 — Feb. 4, 2008
  • pp: 1885–1902

Confinement loss evaluation based on a multilayer division method in Bragg fibers

Jun-ichi Sakai and Hideaki Niiro  »View Author Affiliations


Optics Express, Vol. 16, Issue 3, pp. 1885-1902 (2008)
http://dx.doi.org/10.1364/OE.16.001885


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Abstract

Confinement loss is comprehensively evaluated for TE, TM, and hybrid modes of Bragg fibers using a multilayer division method newly developed. We show the loss dependence on the core radius, wavelength, cladding index contrast, and the number of cladding pairs. The confinement loss is reduced in proportion to (a/b)2N and (n2 b b/n2 a a)2N for the TE and other three modes, respectively, with respect to cladding pairs N under the quarter-wave stack condition, with cladding high na and low indices nb and their corresponding thicknesses a and b. For sufficiently large core radius, the confinement loss decreases in inverse proportion to the third and first powers of core radius for the TE and other three modes, respectively. Low loss modes are the TE01, TE02, HE13, and TE03 modes in order of increasing confinement loss.

© 2008 Optical Society of America

OCIS Codes
(060.2270) Fiber optics and optical communications : Fiber characterization
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2400) Fiber optics and optical communications : Fiber properties

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 2, 2007
Revised Manuscript: December 21, 2007
Manuscript Accepted: January 9, 2008
Published: January 28, 2008

Citation
Jun-Ichi Sakai and Hideaki Niiro, "Confinement loss evaluation based on a multilayer division method in Bragg fibers," Opt. Express 16, 1885-1902 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-3-1885


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