Strong photon antibunching of symmetric and antisymmetric modes in weakly nonlinear photonic molecules

Abstract

We study the photon statistics of symmetric and antisymmetric modes in a photonic molecule consisting of two linearly coupled nonlinear cavity modes. Our calculations show that strong photon antibunching of both symmetric and antisymmetric modes can be obtained even when the nonlinearity in the photonic molecule is weak. The strong antibunching effect results from the destructive interference between different paths for two-photon excitation. Moreover, we find that the optimal frequency detunings for strong photon antibunching in the symmetric and antisymmetric modes are linearly dependent on the coupling strength between the cavity modes in the photonic molecule. This implies that the photonic molecules can be used to generate tunable single-photon sources by tuning the values of the coupling strength between the cavity modes with weak nonlinearity.

6 pages, 8 figures

References in corpus (6)

• Quantum fluids of light
• Single photons from coupled quantum modes
• On the origin of strong photon antibunching in weakly nonlinear photonic molecules
• Observation of Resonant Photon Blockade at Microwave Frequencies using Correlation Function Measurements
• Single-photon nonlinearities in two-mode optomechanics
• Antibunching photons in a cavity coupled to an optomechanical system

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• Phonon blockade in a nanomechanical resonator resonantly coupled to a qubit
• Strongly correlated two-photon transport in a one-dimensional waveguide coupled to a weakly nonlinear cavity
• $n$-photon blockade with an $n$-photon parametric drive
• Giant Enhancement of Unconventional Photon Blockade in a Dimer Chain
• Photon blockade in non-Hermitian optomechanical systems with nonreciprocal couplings
• Reconfigurable photon sources based on quantum plexcitonic systems
• Accurate phonon blockade detector composed of a quadratically coupled optomechanical system
• Enantiodiscrimination of chiral molecules via quantum correlation function
• Partially dark optical molecule via phase control
• Dynamical Blockade Optimizing via Particle Swarm Optimization Algorithm
• Tunable photon blockade in a two-mode second-order nonlinear system embedded with a two-level atom
• Mechanical engineering of photon blockades in a cavity optomechanical system