Unconventional photon blockade based on double second order nonlinear coupling system

• URL: http://arxiv.org/abs/2001.05831v1
• Date: Thu, 16 Jan 2020 15:00:06 GMT
• Title: Unconventional photon blockade based on double second order nonlinear coupling system
• Authors: Hongyu Lin, Xiaoqian Wang, Zhuo Yu and Zhihai Yao
• Abstract summary: We study the unconventional photon blockade in a three-mode system with weakly coupled nonlinear cavities via $chi(2)$ nonlinearity. We find that this scheme is not sensitive to the change of decay rates and the reservoir temperature.
• Score: 22.037101350397005
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In the recent publications [Phys. Rev. A 92,023838 (2015)], the unconventional photon blockade are studied in a two-mode-second-order-nonlinear system with nonlinear coupling between the low frequency and high frequency modes. In this paper, we study the unconventional photon blockade in a three-mode system with weakly coupled nonlinear cavities via $\chi^{(2)}$ nonlinearity. By solving the master equation in the steady-state limit and calculating the zero-delay time second-order correlation function, we obtain the conditions of strong photon antibunching in the low frequency mode. The numerical result are compared with the analytical results, the results show that they are in complete agreement. By the analysis of numerical solutions, we find that this scheme is not sensitive to the change of decay rates and the reservoir temperature, and the three-mode drives make the system have more adjustable parameters, both of which increases the possibility of experimental implementation.

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