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Proceedings Paper

Cascaded parametric downconversion in an aperiodically poled MgO:LiNbO3 superlattice
Author(s): H. C. Guo; S. H. Tang
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Paper Abstract

Quasi-phase-matched parametric downconversion via cascaded optical nonlinearities in an aperiodically poled MgO:LiNbO3 superlattice was studied in theory and experiment. Coupling equations reveal that multiple-wavelength parametric downconversion in a wide infrared spectrum range can occur in a single crystal. Enhancement of the conversion efficiency and output stability through coupling of two nonlinear processes is demonstrated. The result also reveals that cascaded parametric downconversion process can be used to efficiently downconvert the fundamental wavelength to longer wavelength of infrared region.

Paper Details

Date Published: 6 December 2005
PDF: 6 pages
Proc. SPIE 6020, Optoelectronic Materials and Devices for Optical Communications, 602034 (6 December 2005); doi: 10.1117/12.635742
Show Author Affiliations
H. C. Guo, National Univ. of Singapore (Singapore)
S. H. Tang, National Univ. of Singapore (Singapore)


Published in SPIE Proceedings Vol. 6020:
Optoelectronic Materials and Devices for Optical Communications
Shinji Tsuji; Jens Buus; Yi Luo, Editor(s)

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