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Proceedings Paper

Nonlinear Cerenkov radiation in a LiTaO3 waveguide with annular poling domain
Author(s): C. D. Chen; X. P. Hu
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Paper Abstract

We report the modulated Cerenkov radiations in a LiTaO3 waveguide with an annular domain structure. As a result of the continuous rotation symmetry of such a structure, the phase velocity of nonlinear polarization has a wide modulation tolerance. The reciprocal vectors which could be involved in the interaction had a threshold range associated with waveguide parameters. Our experimental results and simulations demonstrated that the radiation intensity had a close relationship with the overlapping between the pump and the radiated wave, which could be decreased by non-collinear reciprocal vectors.

Paper Details

Date Published: 22 August 2015
PDF: 5 pages
Proc. SPIE 9656, International Symposium on Photonics and Optoelectronics 2015, 965607 (22 August 2015); doi: 10.1117/12.2197243
Show Author Affiliations
C. D. Chen, Nanjing Univ. of Aeronautics and Astronautics (China)
X. P. Hu, Nanjing Univ. (China)

Published in SPIE Proceedings Vol. 9656:
International Symposium on Photonics and Optoelectronics 2015
Zhiping Zhou, Editor(s)

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