Quantum coherence of light emitted by two single-photon sources in a structured environment

Abstract

We develop a theoretical framework for the analysis of the quantum coherence of light emitted by two independent single-photon sources in an arbitrary environment. The theory provides design rules for the control of the degree of quantum coherence, in terms of classical quantities widely used in nanophotonics. As an important example, we derive generalized conditions to generate superradiant and subradiant states of the emitters, and demonstrate the ability of a structured environment to induce long-range quantum coherence. These results should have broad applications in quantum nanophotonics, and for the sensing of fluorescent sources in complex environments.

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Cited by in corpus (5)

• Directional Dicke Subradiance with Nonclassical and Classical Light Sources
• Cross density of states and mode connectivity: Probing wave localization in complex media
• Purcell effect with extended sources: The role of the cross density of states
• Spatial correlations of the spontaneous decay rate as a probe of dense and correlated disordered materials
• Long-range quantum emitter interactions mediated by a non-local metasurface: Application to qubit-qubit entanglement