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Optics Letters

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  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 10 — May. 15, 2014
  • pp: 2959–2962

Robust and broadband frequency conversion in composite crystals with tailored segment widths and χ(2) nonlinearities of alternating signs

A. A. Rangelov, N. V. Vitanov, and G. Montemezzani  »View Author Affiliations


Optics Letters, Vol. 39, Issue 10, pp. 2959-2962 (2014)
http://dx.doi.org/10.1364/OL.39.002959


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Abstract

We propose an efficient, robust, and broadband nonlinear optical frequency conversion technique, which uses segmented crystals constructed in analogy with the composite pulses in nuclear magnetic resonance and quantum optics. The composite crystals are made of several macroscopic segments of nonlinear susceptibilities of opposite signs and specific thicknesses, which are determined from the condition to maximize the conversion efficiency with respect to variations in the experimental parameters. These crystals deliver broadband operation for significantly lower pump intensities than single bulk crystals. We demonstrate this technique by numerical simulation of sum-frequency generation in MgO:LiNbO3 crystal.

© 2014 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4223) Nonlinear optics : Nonlinear wave mixing

ToC Category:
Nonlinear Optics

History
Original Manuscript: March 3, 2014
Revised Manuscript: April 11, 2014
Manuscript Accepted: April 14, 2014
Published: May 12, 2014

Citation
A. A. Rangelov, N. V. Vitanov, and G. Montemezzani, "Robust and broadband frequency conversion in composite crystals with tailored segment widths and χ(2) nonlinearities of alternating signs," Opt. Lett. 39, 2959-2962 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-10-2959

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