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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 14 — Jul. 9, 2007
  • pp: 8812–8817

Spectral Talbot effect in sampled fiber Bragg gratings with super-periodic structures

Xi-Hua Zou, Wei Pan, Bin Luo, Meng-Yao Wang, and Wei-Li Zhang  »View Author Affiliations

Optics Express, Vol. 15, Issue 14, pp. 8812-8817 (2007)

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Due to the equivalence between an integral multiple of 2π and zero in the phase space, a general configuration of sampled fiber Bragg gratings (SFBGs) with super-periodic structures has been introduced and investigated. These super-periodic structures can be used to implement spectral Talbot effect with a large degree of freedom, as long as any one of the three parameters involved in quadratic phase profile is an even number. Then the phase profiles of such SFBGs are analyzed in detail. Although their phase increments are constant or non-constant periodic functions in different cases, theoretical analysis and simulations show that the obtained filtering characteristics are the same. In contrast to uniform SFBGs with identical sampling period, multiplied filtering channels and similar group-delay characteristic are achieved for these SFBGs with super-periodic structures.

© 2007 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2340) Fiber optics and optical communications : Fiber optics components
(070.6760) Fourier optics and signal processing : Talbot and self-imaging effects

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: April 30, 2007
Revised Manuscript: June 8, 2007
Manuscript Accepted: June 8, 2007
Published: June 28, 2007

Xi-Hua Zou, Wei Pan, Bin Luo, Meng-Yao Wang, and Wei-Li Zhang, "Spectral Talbot effect in sampled fiber Bragg gratings with super-periodic structures," Opt. Express 15, 8812-8817 (2007)

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