Multi-path photon-phonon converter in optomechanical system at single-quantum level

Abstract

Based on photon-phonon nonlinear interaction, a scheme is proposed to realize a controllable multi-path photon-phonon converter at single-quantum level in a composed quadratically coupled optomechanical system. Considering the realization of the scheme, an associated mechanical oscillator is introduced to enhance the effective nonlinear effect. Thus, the single-photon state can be converted to the phonon state with high fidelity even under the current experimental condition that the single-photon coupling rate is much smaller than mechanical frequency ($g\ll {\omega }_m$). The state transfer protocols and their transfer fidelity are discussed both analytically and numerically. A multi-path photon-phonon converter is designed, by combining the optomechanical system with low frequency resonators, which can be controlled by experimentally adjustable parameters. This work provides us a potential platform for quantum state transfer and quantum information processing.

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Cited by in corpus (5)

• Ground-state cooling of an magnomechanical resonator induced by magnetic damping
• Phononic entanglement concentration via optomechanical interactions
• Noise assisted quantum coherence protection in hierarchical environment
• Full dynamics of two-membrane cavity optomechanics
• Nonlocal nonreciprocal optomechanical circulator