9 January 2015 Polarization dependent terahertz generation efficiency by optical rectification in LiNbO3
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Proceedings Volume 9444, International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2014); 94440J (2015) https://doi.org/10.1117/12.2075161
Event: International Seminar on Photonics, Optics, and Applications 2014, 2014, Sanur, Bali, Indonesia
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.
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Kun Meng, Kun Meng, Sen-Cheng Zhong, Sen-Cheng Zhong, Li-Guo Zhu, Li-Guo Zhu, Qiao Liu, Qiao Liu, Ze-Ren Li, Ze-Ren Li, } "Polarization dependent terahertz generation efficiency by optical rectification in LiNbO3", Proc. SPIE 9444, International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2014), 94440J (9 January 2015); doi: 10.1117/12.2075161; https://doi.org/10.1117/12.2075161
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