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Title: Nonlinear Cherenkov difference-frequency generation exploiting birefringence of KTP

In this letter, we demonstrate the realization of nonlinear Cherenkov difference-frequency generation (CDFG) exploiting the birefringence property of KTiOPO{sub 4} (KTP) crystal. The pump and signal waves were set to be along different polarizations, thus the phase-matching requirement of CDFG, which is, the refractive index of the pump wave should be smaller than that of the signal wave, was fulfilled. The radiation angles and the intensity dependence of the CDFG on the pump wave were measured, which agreed well with the theoretical ones.
Authors:
; ; ; ; ; ;  [1] ;  [2] ;  [3]
  1. National Laboratory of Solid State Microstructures and School of Physics, Nanjing University, Nanjing 210093 (China)
  2. Laser Physics Center, Research School of Physics and Engineering, Australian National University, Canberra ACT 0200 (Australia)
  3. School of Electrical Engineering, Faculty of Engineering, Tel-Aviv University, Tel-Aviv 69978 (Israel)
Publication Date:
OSTI Identifier:
22489309
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 108; Journal Issue: 3; Other Information: (c) 2016 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; BIREFRINGENCE; CRYSTALS; NONLINEAR PROBLEMS; POLARIZATION; REFRACTIVE INDEX; SIGNALS