Chinese Optics Letters, 2020, 18 (5): 051901, Published Online: Apr. 28, 2020   

High repetition rate picosecond LiNbO3 THz parametric amplifier and parametric gain Download: 663次

Author Affiliations
State Key Laboratory of Nuclear Physics and Technology and Institute of Heavy Ion Physics, School of Physics, Peking University, Beijing 100871, China
Abstract
A high repetition rate, picosecond terahertz (THz) parametric amplifier with a LiNbO3 (LN) crystal has been demonstrated in this work. At a 10 kHz repetition rate, a peak power of 200 W and an average power of 12 μW have been obtained over a wide range of around 2 THz; at a 100 kHz repetition rate, a maximum peak power of 18 W and an average power of 10.8 μW have been obtained. The parametric gain of the LN crystal was also investigated, and a modified Schwarz–Maier model was introduced to interpret the experimental results.

Yuting Yang, Gang Zhao, Yue Huang, Liwen Feng, Senlin Huang, Kexin Liu. High repetition rate picosecond LiNbO3 THz parametric amplifier and parametric gain[J]. Chinese Optics Letters, 2020, 18(5): 051901.

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