论文标题
基于弗雷德金型相互作用的三模式光力系统的量子模拟
Quantum simulation of a three-mode optomechanical system based on the Fredkin-type interaction
论文作者
论文摘要
单光学强耦合策略中多模的光学相互作用的实现是腔光力学中的理想任务，但在逼真的物理系统中，这仍然是一个挑战。在这项工作中，我们提出了一个可靠的方案，以模拟基于弗雷德金型相互作用在单光子强耦合方面工作的三模式光力系统。这是通过利用两个强大的驱动器来实现的，涉及一种光学模式和两个机械样模式的弗雷德金型耦合中的两个交换耦合模式。作为这种增强的三模式非线性光机电耦合的应用，我们展示了如何使用条件位移机制来生成机械样模式的纠缠蛋白态。通过计算两种模式的关节wigner函数和量子纠缠来研究生成状态中的量子相干效应。在开放系统案例中考虑了耗散效应对国家产生的影响。
The realization of multimode optomechanical interactions in the single-photon strong-coupling regime is a desired task in cavity optomechanics, but it remains a challenge in realistic physical systems. In this work, we propose a reliable scheme to simulate a three-mode optomechanical system working in the single-photon strong-coupling regime based on the Fredkin-type interaction. This is achieved by utilizing two strong drivings to the two exchangly-coupled modes in the Fredkin-type coupling involving one optical mode and two mechanical-like modes. As an application of this enhanced three-mode nonlinear optomechanical coupling, we show how to generate entangled-cat states of the mechanical-like modes using the conditional displacement mechanism. The quantum coherence effects in the generated states are investigated by calculating two-mode joint Wigner function and quantum entanglement. The influence of the dissipation effect on the state generation is considered in the open-system case.
