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Optics Letters

Optics Letters


  • Vol. 24, Iss. 13 — Jul. 1, 1999
  • pp: 872–874

Mode-profile dependence of the electrostrictive response in fibers

Eric L. Buckland*  »View Author Affiliations

Optics Letters, Vol. 24, Issue 13, pp. 872-874 (1999)

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The transverse optical intensity profile in fibers affects the efficiency of acoustic mode excitation by the optical field and the subsequent response of the field to the excited acoustic modes. The magnitude of the electrostrictive nonlinear coefficient for a square-top intensity profile will exceed that of a Gaussian profile by a fact of 2. For current fiber designs the range of values for n2str at zero frequency is expected to vary from 0.43 to 0.71×10-16cm2W-1 based on mode profile alone. The relative contribution of electrostriction to the total nonlinear response (electrostrictive+Kerr) in fibers increases proportionately as the mode profile flattens.

© 1999 Optical Society of America

OCIS Codes
(060.2270) Fiber optics and optical communications : Fiber characterization
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(060.4510) Fiber optics and optical communications : Optical communications
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(190.4370) Nonlinear optics : Nonlinear optics, fibers

Eric L. Buckland*, "Mode-profile dependence of the electrostrictive response in fibers," Opt. Lett. 24, 872-874 (1999)

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  9. Note that n2str as reported in Eq. 3(a) of Ref. 6 implicitly contains a factor of 1/2 that follows from the Gaussian optical mode. General agreement between the theoretical predictions in Refs. 6 and occurs in spite of this factor-of-2 discrepancy in n2str. This agreement is due to an offsetting discrepancy in the value of ge that is yet to be resolved.
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