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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 3 — Feb. 1, 2010
  • pp: 3093–3100

All-fiber tunable optical delay line

Christophe Caucheteur, Arnaud Mussot, Sébastien Bette, Alexandre Kudlinski, Marc Douay, Eric Louvergneaux, Patrice Mégret, Majid Taki, and Miguel González-Herráez  »View Author Affiliations


Optics Express, Vol. 18, Issue 3, pp. 3093-3100 (2010)
http://dx.doi.org/10.1364/OE.18.003093


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Abstract

We present a tunable optical delay line based on the use of a single chirped fiber Bragg grating written into a standard single mode optical fiber. In the proposed scheme, the delay is induced through the Bragg grating differential group delay curve. This is achieved by launching orthogonally polarized optical pulses in both directions into the Bragg grating and by controlling its local birefringence. This bidirectional propagation allows to compensate the second-order dispersion. The setup is suitable to delay pulses with a spectral width just less than the grating reflection bandwidth, which is particularly useful in the context of forthcoming wavelength division multiplexing ultra-high bit rate lightwave systems. In this work, the performances of the setup are investigated using a pulsed laser delivering 6.3 ps Fourier transform limited pulses at 1548 nm. A maximum delay of 120 ps (about 20 times the pulse width) is reported experimentally.

© 2010 OSA

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(230.5440) Optical devices : Polarization-selective devices
(230.2035) Optical devices : Dispersion compensation devices
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 19, 2009
Revised Manuscript: December 18, 2009
Manuscript Accepted: December 20, 2009
Published: January 28, 2010

Citation
Christophe Caucheteur, Arnaud Mussot, Sébastien Bette, Alexandre Kudlinski, Marc Douay, Eric Louvergneaux, Patrice Mégret, Majid Taki, and Miguel González-Herráez, "All-fiber tunable optical delay line," Opt. Express 18, 3093-3100 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-3-3093


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References

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