Nonreciprocal steering between optical and microwave waves by Bogoliubov cooling in a cavity optomagnonic system

Optical-microwave quantum correlations are pivotal for hybrid quantum network construction. Here, we propose a scheme to achieve nonreciprocal optical-microwave steering via Bogoliubov cooling in a cavity optomagnonic system, where optical and microwave modes couple to magnons in a YIG sphere through optomagnonic and magnetic dipole interactions, respectively. By selectively applying bias magnetic fields to the YIG sphere in different directions, Kerr nonlinearity induces nonreciprocal Bogoliubov cooling effects, thereby engendering highly nonreciprocal steering. Our study presents a novel avenue for achieving nonreciprocal steering between optical and microwave fields, with potential applications in chiral quantum networking. locked icon locked icon locked icon locked icon locked icon locked icon locked icon locked icon locked icon locked icon locked icon locked icon locked icon locked icon locked icon Physics Subject Headings (PhySH)Quantum fluctuations & noiseQuantum opticsQuantum state engineering