Landau-Zener tunneling in the process of sum frequency generation

Baihong Li; Yongfang Li

doi:10.1117/12.2065384

21 August 2014 Landau-Zener tunneling in the process of sum frequency generation

Baihong Li, Yongfang Li

Proceedings Volume 9233, International Symposium on Photonics and Optoelectronics 2014; 92330T (2014) https://doi.org/10.1117/12.2065384
Event: International Symposium on Photonics and Optoelectronics (SOPO 2014), 2014, Suzhou, China

Abstract

Based on an analogy between the macroscopic phenomena and quantum physics, we study the problem of energy conversion for the sum frequency generation (SFG) process in a linear chirped quasi-phase-matched (QPM) crystal. We show that the process of energy conversion from the signal to the sum frequency field is very similar to the process of Landau-Zener tunneling (LZT) in a two-level system. Therefore, the energy conversion mechanism of SFG process can be explained by the theory of LZT. In addition, we obtain the asymptotic and analytical solution of the sum frequency field by solving the coupled equations with the model of Landau-Zener.

Citation Download Citation

Baihong Li and Yongfang Li "Landau-Zener tunneling in the process of sum frequency generation", Proc. SPIE 9233, International Symposium on Photonics and Optoelectronics 2014, 92330T (21 August 2014); https://doi.org/10.1117/12.2065384

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