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Proceedings Paper

Generation of broadband and multiple-peak terahertz radiation in aperiodically poled lithium niobate
Author(s): Fucheng Chen; Xianfeng Chen; Yuping Chen; Yuxing Xia
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Paper 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

Paper Details

Date Published: 28 January 2005
PDF: 4 pages
Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); doi: 10.1117/12.573709
Show Author Affiliations
Fucheng Chen, Shanghai Jiaotong Univ. (China)
Xianfeng Chen, Shanghai Jiaotong Univ. (China)
Yuping Chen, Shanghai Jiaotong Univ. (China)
Yuxing Xia, Shanghai Jiaotong Univ. (China)


Published in SPIE Proceedings Vol. 5646:
Nonlinear Optical Phenomena and Applications
Qihuang Gong; Yiping Cui; Roger A. Lessard, Editor(s)

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