论文标题
基于双二阶非线性耦合系统的非常规的光子阻滞
Unconventional photon blockade based on double second order nonlinear coupling system
论文作者
论文摘要
在最近的出版物中[物理学。 Rev. A 92,023838（2015）]，在两秒秒的非线性系统中研究了非常规的光子阻滞，在低频和高频模式之间具有非线性耦合。在本文中，我们研究了具有$χ^{（2）} $非线性的三模式系统中的非常规光子阻滞。通过以稳态极限求解主方程并计算零延迟时间二阶相关函数，我们在低频模式下获得了强光子抗启动的条件。将数值结果与分析结果进行了比较，结果表明它们完全一致。通过对数值溶液的分析，我们发现该方案对衰减速率和储层温度的变化不敏感，并且三模式驱动器使系统具有更可调的参数，这两者都增加了实验实现的可能性。
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 $χ^{(2)}$ 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.
