Cascaded parametric downconversion in an aperiodically poled MgO:LiNbO<sub>3</sub> superlattice

H. C. Guo; S. H. Tang

doi:10.1117/12.635742

6 December 2005 Cascaded parametric downconversion in an aperiodically poled MgO:LiNbO₃ superlattice

H. C. Guo, S. H. Tang

Proceedings Volume 6020, Optoelectronic Materials and Devices for Optical Communications; 602034 (2005) https://doi.org/10.1117/12.635742
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

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.

Citation Download Citation

H. C. Guo and S. H. Tang "Cascaded parametric downconversion in an aperiodically poled MgO:LiNbO₃ superlattice", Proc. SPIE 6020, Optoelectronic Materials and Devices for Optical Communications, 602034 (6 December 2005); https://doi.org/10.1117/12.635742

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