Collection Of theses on high power laser and plasma physics, 2015, 13 (1): 106, Published Online: May. 27, 2017  

Normal, degenerated, and anomalous-dispersion-like Cerenkov sum-frequency generation in one nonlinear medium

Author Affiliations
1 Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
2 Shanghai Institute of Laser Plasma, Shanghai, China
3 Key Laboratory for Laser Plasma (Ministry of Education), IFSA Collaborative Innovation Center, Shanghai Jiao Tong University, Shanghai 200240, China
4 e-mail: 5040729023@sjtu.edu.cn
5 China Academy of Engineering Physics, Mianyang, Sichuan 621900, China
Abstract
We report on the experimental realization of Cerenkov sum-frequency generation across the material dispersion in a one-dimensional, periodically poled ferroelectric crystal. Three schemes of sum-frequency generation, confined only in the vicinity of domain walls and in the form of nonlinear Cerenkov radiation, are demonstrated in normal, degenerated, and anomalous-dispersion-like configurations. We exploit their phase-matching geometries, which exhibit a whole scenario of the evolution of Cerenkov radiation varying with the dispersion relationship among the interaction waves. In addition, two sets of conical sum-frequency generation with different radius and center are demonstrated, which result from scattering assistant phase-matching processes.

Ning An, Yuanlin Zheng, Huaijin Ren, Xiaohui Zhao, Xuewei Deng, Xianfeng Chen. Normal, degenerated, and anomalous-dispersion-like Cerenkov sum-frequency generation in one nonlinear medium[J]. Collection Of theses on high power laser and plasma physics, 2015, 13(1): 106.

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