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Optics Letters

Optics Letters

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  • Vol. 29, Iss. 21 — Nov. 1, 2004
  • pp: 2470–2472

Photoerasure of ultraviolet-induced birefringence and polarization-mode dispersion of chirped fiber Bragg gratings

Nirmal K. Viswanathan  »View Author Affiliations


Optics Letters, Vol. 29, Issue 21, pp. 2470-2472 (2004)
http://dx.doi.org/10.1364/OL.29.002470


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Abstract

The first, to my knowledge, experimental demonstration of photoerasure of UV-induced birefringence and polarization-mode dispersion (PMD) in chirped fiber Bragg gratings is presented here. The photoerasure process carried out by launching high-peak-power (∼0.6-kW) pulsed (10-Hz, 5-ns) circularly polarized laser light in the visible wavelength (532 nm) through the core of a fiber with the grating was found to reduce its PMD by more than 85% to 0.12 ps. Possible reasons for the photoerasure process, including photobleaching of UV-induced absorption and randomization of dipole orientation of UV-induced defects, are discussed.

© 2004 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(260.1440) Physical optics : Birefringence

Citation
Nirmal K. Viswanathan, "Photoerasure of ultraviolet-induced birefringence and polarization-mode dispersion of chirped fiber Bragg gratings," Opt. Lett. 29, 2470-2472 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-21-2470

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