Generation of broadband and multiple-peak terahertz radiation in aperiodically poled lithium niobate

Fucheng Chen; Xianfeng Chen; Yuping Chen; Yuxing Xia

doi:10.1117/12.573709

28 January 2005 Generation of broadband and multiple-peak terahertz radiation in aperiodically poled lithium niobate

Fucheng Chen, Xianfeng Chen, Yuping Chen, Yuxing Xia

Proceedings Volume 5646, Nonlinear Optical Phenomena and Applications; (2005) https://doi.org/10.1117/12.573709
Event: Photonics Asia, 2004, Beijing, China

Abstract

We report a theoretical analysis of the generation of broadband and multiple-peak terahertz radiation in aperiodically poled lithium niobate, whose sequence of opposite domains is optimized by simulated annealing (SA) algorithm. The full width at half maximum (FWHM) of the broadband terahertz radiation in our simulation is 0.26 THz. Both of the center wavelength and FWHM can be easily tuned by choosing proper objective functions. Terahertz radiation with wider and flatter FWHM can be achieved by increasing the length of the lithium niobate crystal. The two-peak terahertz generation is also provided as an example of multiple-peak with the central wavelength at 1.68 and 1.80 THz, respectively

Citation Download Citation

Fucheng Chen, Xianfeng Chen, Yuping Chen, and Yuxing Xia "Generation of broadband and multiple-peak terahertz radiation in aperiodically poled lithium niobate", Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); https://doi.org/10.1117/12.573709

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