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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 2 — Jan. 18, 2010
  • pp: 713–725

Full vector complex coupled mode theory for tilted fiber gratings

Yu-Chun Lu, Wei-Ping Huang, and Shui-Sheng Jian  »View Author Affiliations

Optics Express, Vol. 18, Issue 2, pp. 713-725 (2010)

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A full vector complex coupled mode theory (CMT) for the analysis of tilted fiber gratings is presented. With the combination of the perfectly matched layer (PML) and the perfectly reflecting boundary (PRB), the continuous radiation modes are well represented by a set of discrete complex modes. Simulation of coupling to radiation modes is greatly simplified and may be treated in the same fashion as guided modes. Numerical results of the tilted fiber Bragg gratings (TFBGs) with outer-cladding index equal, lower and higher than that of the inner-cladding indicate that the complex coupled mode approach is highly effective in the simulation of couplings to cladding and radiation modes in tilted fiber gratings. The reflective TFBGs are investigated by the proposed approach in detail.

© 2010 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2310) Fiber optics and optical communications : Fiber optics
(230.7370) Optical devices : Waveguides
(350.5610) Other areas of optics : Radiation
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: October 26, 2009
Revised Manuscript: December 9, 2009
Manuscript Accepted: December 9, 2009
Published: January 5, 2010

Yu-Chun Lu, Wei-Ping Huang, and Shui-Sheng Jian, "Full vector complex coupled mode theory for tilted fiber gratings," Opt. Express 18, 713-725 (2010)

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