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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 18 — Sep. 15, 2007
  • pp: 2674–2676

Fast and accurate group delay ripple measurement technique for ultralong chirped fiber Bragg gratings

Tae-Jung Ahn, Yongwoo Park, and José Azaña  »View Author Affiliations


Optics Letters, Vol. 32, Issue 18, pp. 2674-2676 (2007)
http://dx.doi.org/10.1364/OL.32.002674


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Abstract

A simple and very precise group delay ripple (GDR) measurement technique for linearly chirped fiber Bragg gratings (CFBGs) is proposed. It is based on real-time optical Fourier transformation of an ultrashort pulse directly induced by the CFBG dispersion. We have experimentally demonstrated highly accurate characterization of the GDR profile of a commercial 10 - m -long CFBG with a dispersion of + 2000 ps nm , having achieved a remarkably small standard deviation in our measurements of about 4 ps over a bandwidth of 28 nm . The proposed method has the unique potential to provide real-time GDR monitoring (in the MHz range) by use of commercially available high-speed sampling electronics.

© 2007 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2340) Fiber optics and optical communications : Fiber optics components
(230.1480) Optical devices : Bragg reflectors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: April 12, 2007
Revised Manuscript: July 19, 2007
Manuscript Accepted: July 24, 2007
Published: September 4, 2007

Citation
Tae-Jung Ahn, Yongwoo Park, and José Azaña, "Fast and accurate group delay ripple measurement technique for ultralong chirped fiber Bragg gratings," Opt. Lett. 32, 2674-2676 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-18-2674

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