Phonon-blockade-based multiple-photon bundle emission in a quadratically coupled optomechanical system

IF 6.5 2区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY

Frontiers of Physics Pub Date : 2023-12-11 DOI:10.1007/s11467-023-1352-9

Ye-Jun Xu, Hong Xie

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Abstract

We propose a scheme to realize antibunched multiple-photon bundles based on phonon blockade in a quadratically coupled optomechanical system. Through adjusting the detunings to match the conditions of phonon blockade in the photon sidebands, we establish super-Rabi oscillation between zero-photon state and multiple-photon states with adjustable super-Rabi frequencies under appropriate single-phonon resonant conditions. Taking the system dissipation into account, we numerically calculate the standard and generalized second-order functions of the cavity mode as well as the quantum trajectories of the state populations with Monte Carlo simulation to confirm that the emitted photons form antibunched multiple-photon bundles. Interestingly, the desirable n-photon states are reconstructed after a direct phonon emission based on phonon blockade, and thus the single-phonon emission heralds the cascade emission of n-photon bundles. Our proposal shows that the optomechanical system can simultaneously behave as antibunched multiple-photon emitter and single-phonon gun. Such a nonclassical source could have potential applications in quantum information science.

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四次耦合光学机械系统中基于声子阻滞的多光子束发射

我们提出了一种在二次耦合光机械系统中基于声子封锁实现反束多光子束的方案。通过调整解谐以匹配光子边带中的声子封锁条件，我们在适当的单光子共振条件下，在零光子态和多光子态之间建立了频率可调的超拉比振荡。考虑到系统耗散，我们用蒙特卡洛模拟数值计算了空腔模式的标准和广义二阶函数以及态群的量子轨迹，证实发射的光子形成了反束多光子束。有趣的是，理想的 n 光子态是在基于声子封锁的直接声子发射后重建的，因此单声子发射预示着 n 光子束的级联发射。我们的建议表明，光机械系统可以同时充当反束多光子发射器和单光子枪。这种非经典光源可能会在量子信息科学中得到潜在应用。

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来源期刊

Frontiers of Physics PHYSICS, MULTIDISCIPLINARY-

CiteScore

9.20

自引率

9.30%

发文量

898

审稿时长

6-12 weeks

期刊介绍： Frontiers of Physics is an international peer-reviewed journal dedicated to showcasing the latest advancements and significant progress in various research areas within the field of physics. The journal's scope is broad, covering a range of topics that include: Quantum computation and quantum information Atomic, molecular, and optical physics Condensed matter physics, material sciences, and interdisciplinary research Particle, nuclear physics, astrophysics, and cosmology The journal's mission is to highlight frontier achievements, hot topics, and cross-disciplinary points in physics, facilitating communication and idea exchange among physicists both in China and internationally. It serves as a platform for researchers to share their findings and insights, fostering collaboration and innovation across different areas of physics.