Enhanced photon blockade in an optomechanical system with parametric amplification

Abstract

We propose a scheme to enhance the single- and two-photon blockade effect significantly in a standard optomechanical system (OMS) via optical parametric amplification (OPA). The scheme does not rely on the strong single-photon optomechanical coupling and can eliminate the disadvantages of suppressing multi-photon excitation incompletely. Through analyzing the single-photon blockade (1PB) mechanism and optimizing the system parameters, we obtain a perfect 1PB with a high occupancy probability of single-photon excitation, which means that a high quality and efficient single-photon source can be generated. Moreover, we find that not only the two-photon blockade (2PB) effect is significantly enhanced but also the region of 2PB occurring is widened when the OPA exists, where we also derive the optimal parameter condition to maximize the two-photon emission and the higher photon excitations are intensely suppressed at the same time.

4 pages, 4 figures

References in corpus (11)

• Optomechanically induced transparency
• Single-photon Optomechanics
• Single photons from coupled quantum modes
• The Unconventional Photon Blockade
• Two-photon and three-photon blockades in driven nonlinear systems
• Single-photon nonlinearities in two-mode optomechanics
• Antibunching photons in a cavity coupled to an optomechanical system
• Quantum optical diode with semiconductor microcavities
• Distinguishing photon blockade in a PT-symmetric optomechanical system
• Photon blockade in weakly-driven cavity QED systems with many emitters
• Optomechanical quadrature squeezing in the non-Markovian regime