Ultrastrong Coupling of a Qubit with a Nonlinear Optical Resonator

We study the interaction of a two-level atom with a single-mode nonlinear electromagnetic resonator, considering coupling strengths ranging from zero to the so-called deep strong coupling regime. When the qubit-resonator coupling is very strong, the standard Kerr model for the resonator becomes ques...

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Veröffentlicht in:	arXiv.org 2022-07
Hauptverfasser:	Mauceri, Fabio, Mercurio, Alberto, Savasta, Salvatore, Omar Di Stefano
Format:	Artikel
Sprache:	eng
Schlagworte:	Coupling Gauge invariance Hilbert space Optical resonators Physics - Other Condensed Matter Physics - Quantum Physics Qubits (quantum computing)
Online-Zugang:	Volltext
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