Nonreciprocal Transmission and Nonreciprocal Entanglement in a Spinning Microwave Magnomechanical System,Annalen Der Physik

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Nonreciprocal Transmission and Nonreciprocal Entanglement in a Spinning Microwave Magnomechanical System
Annalen Der Physik ( IF 2.2 ) Pub Date : 2020-07-21 , DOI: 10.1002/andp.202000196
Zhi‐Bo Yang ₁ , Jin‐Song Liu ₁ , Ai‐Dong Zhu ₁ , Hong‐Yu Liu ₁ , Rong‐Can Yang _{2,

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Affiliation

This study presents nonreciprocal transmission and nonreciprocal magnon–phonon entanglement in a spinning microwave magnomechanical system. This system consists of microwave photons, magnon modes, and phonons. These are created by the vibrational mode of a yttrium iron garnet sphere. This investigation reveals that nonreciprocity is caused by the light that is circulating in a resonator that is experiencing a Fizeau shift. This leads to a difference in the effective detuning frequency of the photon for forwarding and backward drives. A super‐strong transmission isolation rate (>100 dB) and a strong entanglement isolation rate (≈50 dB) are obtained by applying the experimental parameters. This scheme opens a new route for exploiting a variety of nonreciprocal effects, and it provides the theoretical basis for the design and realization of magnetically controllable isolators and diodes.

中文翻译：

旋转微波磁机械系统中的不可逆传输和不可逆纠缠

这项研究提出了在旋转的微波机械系统中的不可逆传输和不可逆的马农-声子纠缠。该系统由微波光子，磁振子模式和声子组成。这些是由钇铁石榴石球的振动模式产生的。这项研究表明，不可逆性是由正在经历斐索位移的谐振器中循环的光引起的。这导致光子在向前和向后驱动时的有效失谐频率不同。通过应用实验参数，可以获得超强的传输隔离率（> 100 dB）和较强的纠缠隔离率（≈50dB）。该方案为利用各种不可逆的影响开辟了一条新途径，

更新日期：2020-07-21

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