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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 13 — Jul. 1, 2009
  • pp: 2021–2023

Fabrication of a π-phase-shifted fiber Bragg grating at twice the Bragg wavelength with the standard phase mask technique

Sui P. Yam, Zourab Brodzeli, Betty P. Kouskousis, Claire M. Rollinson, Scott A. Wade, Greg W. Baxter, and Stephen F. Collins  »View Author Affiliations


Optics Letters, Vol. 34, Issue 13, pp. 2021-2023 (2009)
http://dx.doi.org/10.1364/OL.34.002021


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Abstract

A pair of reflection peaks/transmission dips, at twice the Bragg wavelength, were observed in spectra of a Type I fiber Bragg grating written with the standard phase mask technique. The occurrence of two peaks/dips, rather than one, is attributed to the interleaved refractive index modulations along the fiber core, with the periodicity of the phase mask that has been observed previously in images of gratings that cause destructive interference in a reflected wave at the Bragg condition owing to the π phase difference between the grating phases. Thus the standard phase mask technique produced an alternative type of π-phase-shifted grating at twice the design Bragg wavelength.

© 2009 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(230.1480) Optical devices : Bragg reflectors
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: March 5, 2009
Revised Manuscript: May 6, 2009
Manuscript Accepted: May 13, 2009
Published: June 26, 2009

Citation
Sui P. Yam, Zourab Brodzeli, Betty P. Kouskousis, Claire M. Rollinson, Scott A. Wade, Greg W. Baxter, and Stephen F. Collins, "Fabrication of a π-phase-shifted fiber Bragg grating at twice the Bragg wavelength with the standard phase mask technique," Opt. Lett. 34, 2021-2023 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-13-2021

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