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外文期刊>The Journal of Chemical Physics
>Simple but accurate estimation of light-matter coupling strength and optical loss for a molecular emitter coupled with photonic modes
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Simple but accurate estimation of light-matter coupling strength and optical loss for a molecular emitter coupled with photonic modes
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机译:Simple but accurate estimation of light-matter coupling strength and optical loss for a molecular emitter coupled with photonic modes
Light-matter coupling strength and optical loss are two key physical quantities in cavity quantum electrodynamics (CQED), and their interplay determines whether light-matter hybrid states can be formed or not in chemical systems. In this study, by using macroscopic quantum electrodynamics (MQED) combined with a pseudomode approach, we present a simple but accurate method, which allows us to quickly estimate the light-matter coupling strength and optical loss without free parameters. Moreover, for a molecular emitter coupled with photonic modes (including cavity modes and plasmon polariton modes), we analytically and numerically prove that the dynamics derived from the MQED-based wavefunction approach is mathematically equivalent to the dynamics governed by the CQED-based Lindblad master equation when the Purcell factor behaves like Lorentzian functions.
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