Generation of Second-Harmonic Conical Waves via Nonlinear Bragg Diffraction

Solomon M. Saltiel, Dragomir N. Neshev, Robert Fischer, Wieslaw Krolikowski, Ady Arie, and Yuri S. Kivshar
Phys. Rev. Lett. 100, 103902 – Published 12 March 2008

Abstract

We report on the observation of second-harmonic conical waves generated in a novel geometry of the transverse excitation of an annular periodically poled nonlinear photonic structure by a fundamental Gaussian beam. We show that the conical beams are formed as a result of the higher-order nonlinear Bragg diffraction involving two parametric processes in which an ordinary fundamental wave is converted simultaneously into ordinary and extraordinary polarized second harmonics.

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  • Received 3 August 2007

DOI:https://doi.org/10.1103/PhysRevLett.100.103902

©2008 American Physical Society

Authors & Affiliations

Solomon M. Saltiel1,2, Dragomir N. Neshev1, Robert Fischer1, Wieslaw Krolikowski1, Ady Arie3, and Yuri S. Kivshar1

  • 1Nonlinear Physics Center and Laser Physics Center, Center for Ultra-high Bandwidth Devices for Optical Systems (CUDOS), Research School of Physical Sciences and Engineering, Australian National University, Canberra ACT 0200, Australia
  • 2Department of Quantum Electronics, Faculty of Physics, Sofia University, Bulgaria
  • 3School of Electrical Engineering, Faculty of Engineering, Tel-Aviv University, Tel-Aviv, Israel

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Issue

Vol. 100, Iss. 10 — 14 March 2008

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