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Proceedings Paper

Polarization dependent terahertz generation efficiency by optical rectification in LiNbO3
Author(s): Kun Meng; Sen-Cheng Zhong; Li-Guo Zhu; Qiao Liu; Ze-Ren Li
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Paper Abstract

Optical rectification of laser pulses in LiNbO3 by tilted-pulse-front pumping (TPFP) is a powerful way to generate terahertz(THz) pulses. However, comprehensive theoretical analysis is still lack. In this work, we first established and presented a detailed theoretical model for TPFP scheme, which then was used to analyze the pump beam polarization dependent terahertz pulses generated by this scheme. The results indicate that one can change the polarization state of the terahertz pulse by changing the pump beam polarization. A scheme using tilted-pulse-front pumping was also set up, and the generated terahertz pulses have maximal conversion efficiency when the pump beam electric field vector is parallel to the crystal axis, which is consistent with theoretical model.

Paper Details

Date Published: 9 January 2015
PDF: 6 pages
Proc. SPIE 9444, International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2014), 94440J (9 January 2015); doi: 10.1117/12.2075161
Show Author Affiliations
Kun Meng, China Academy of Engineering Physics (China)
Sen-Cheng Zhong, China Academy of Engineering Physics (China)
Li-Guo Zhu, China Academy of Engineering Physics (China)
Qiao Liu, China Academy of Engineering Physics (China)
Ze-Ren Li, China Academy of Engineering Physics (China)


Published in SPIE Proceedings Vol. 9444:
International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2014)
Aulia Nasution, Editor(s)

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