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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 15 — Aug. 1, 2013
  • pp: 2717–2719

1064 nm laser-induced defects in pure SiO2 fibers

J. M. Stone, W. J. Wadsworth, and J. C. Knight  »View Author Affiliations

Optics Letters, Vol. 38, Issue 15, pp. 2717-2719 (2013)

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We investigate evidence of the formation of nonbridging oxygen hole centers in pure silica photonic crystal fibers from 5 ps 1064 nm pulses. The formation of the defects is attributed to the breaking of stressed silicon–oxygen bonds in the glass matrix through a many-photon process. We compare the photodarkening induced by the 1064 nm pump with photodarkening induced by short wavelength light in a 1064 nm pumped supercontinuum extending to 400 nm. It is shown that the higher peak power at the pump wavelength makes it a more significant cause of photodarkening when compared to the shorter wavelength light generated in the fiber.

© 2013 Optical Society of America

OCIS Codes
(060.2290) Fiber optics and optical communications : Fiber materials
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(160.6030) Materials : Silica

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: April 11, 2013
Revised Manuscript: June 6, 2013
Manuscript Accepted: June 21, 2013
Published: July 23, 2013

J. M. Stone, W. J. Wadsworth, and J. C. Knight, "1064 nm laser-induced defects in pure SiO2 fibers," Opt. Lett. 38, 2717-2719 (2013)

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