cavity quantum electrodynamics 1open quantum systems 1quantum emitters 1quasinormal modes 1time-delayed interactions 1
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quant-ph2025
Dissipation in the Broadband and Ultrastrong Coupling Regimes of Cavity Quantum Electrodynamics: An Ab Initio Quantized Quasinormal Mode Approach
Chris Gustin, Juanjuan Ren, Sebastian Franke +1
Phenomenological approaches to photon loss have long been the workhorse of cavity-QED, but prove inadequate in the presence of sufficiently broadband light-matter interactions. We…
quant-ph2025
What is the spectral density of the reservoir for a lossy quantized cavity?
Chris Gustin, Juanjuan Ren, Stephen Hughes
By considering a two-level system weakly coupled to a single lossy three-dimensional cavity mode, and using a quasinormal mode expansion for the photonic medium, we show that the f…
quant-ph2025
Gain-modified emission dynamics between two quantum emitters in a plasmonic gain cavity system
Becca VanDrunen, Juanjuan Ren, Sebastian Franke +1
We present a general theory of gain-modified emission dynamics between two quantum emitters (two level systems) in a linear gain medium, demonstrating how gain modifies the usual r…