Raman-resonance-enhanced composite nonlinearity of air-guided modes in hollow photonic-crystal fibers
Optics Letters, Vol. 31, Issue 17, pp. 2604-2606 (2006)
http://dx.doi.org/10.1364/OL.31.002604
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Abstract
Coherent anti-Stokes Raman scattering (CARS) is used to measure relations between the resonant (Raman) and nonresonant (Kerr-type) optical nonlinearities of air-guided modes in a hollow-core photonic-crystal fiber (PCF). We demonstrate that, due to its interference nature, CARS provides a convenient tool for measuring the contribution of the fiber cladding to the total nonlinearity sensed by air-guided modes in hollow PCFs. On a Raman resonance with molecular vibrations in the gas that fills the fiber core, a two-color laser field is shown to induce optical nonlinearities that are several orders of magnitude higher than the nonresonant Kerr-type nonlinearities typical of air-guided PCF modes.
© 2006 Optical Society of America
OCIS Codes
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
ToC Category:
Nonlinear Optics
History
Original Manuscript: May 19, 2006
Manuscript Accepted: June 2, 2006
Published: August 9, 2006
Citation
Il'ya V. Fedotov, Andrei B. Fedotov, and Aleksei M. Zheltikov, "Raman-resonance-enhanced composite nonlinearity of air-guided modes in hollow photonic-crystal fibers," Opt. Lett. 31, 2604-2606 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-17-2604
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