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29 papers · 2 filters
Critical spectrum of the anisotropic two-photon quantum Rabi model
Jiong Li, Daniel Braak, Qing-Hu Chen
The anisotropic two-photon quantum Rabi model is studied using the Bogoliubov operator approach. The doubly degenerate exceptional states are identified through analytical methods.…
Analytical Study of the Non-Hermitian Semiclassical Rabi Model
Yibo Liu, Liwei Duan, Qing-Hu Chen
The symmetric semiclassical Rabi model explores the fundamental interaction between a two-level atom and a classical field, revealing novel phenomena in open systems…
Single photonic qutrit in a collective Rydberg polariton
Yuechun Jiao, Oliver D. W. Hughes, Max Z. Festenstein +5
We report on the coherent creation, control and read-out of a single photonic qutrit in a Rydberg ensemble. In each measurement, an optical photon is stored as a Rydberg polariton…
Entangling independent particles by path identity
Kai Wang, Zhaohua Hou, Kaiyi Qian +4
Quantum entanglement -- correlations of particles that are stronger than any classical analogue -- is the basis for research on the foundations of quantum mechanics and for practic…
Vacuum Rabi Splitting and Quantum Fisher Information of a Non-Hermitian Qubit in a Single-Mode Cavity
Yi-Cheng Wang, Jiong Li, Li-Wei Duan +1
A natural extension of the non-Hermitian qubit is to place it in a single-mode cavity. This setup corresponds to the quantum Rabi model (QRM) with a purely imaginary bias on the qu…
Discrete and parallel frequency-bin entanglement generation from quantum frequency comb
Chi Lu, Xiaoyu Wu, Wenjun Wen +1
Photons' frequency degree of freedom is promising to realize large-scale quantum information processing. Quantum frequency combs (QFCs) generated in integrated nonlinear microreson…