Ultra-strong coupling regime in cavity quantum electrodynamics

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      Qubit-oscillator systems in the ultrastrong-coupling regime and their potential for preparing nonclassical states
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    2. X. Cao, J.Q. You, H. Zheng, A.G. Kofman, F. Nori
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      Ground State Electroluminescence
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      One Photon Can Simultaneously Excite Two or More Atoms
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    8. R. Stassi, S. Savasta, L. Garziano, B. Spagnolo, F. Nori
      Output field-quadrature measurements and squeezing in ultrastrong cavity-QED
      New Journal of Physics 18, 123005 (2016). [PDF][Link][arXiv]

    9. O.D. Stefano, R. Stassi, L. Garziano, A.F. Kockum, S. Savasta, F. Nori
      Feynman-diagrams approach to the quantum Rabi model for ultrastrong cavity QED: stimulated emission and reabsorption of virtual particles dressing a physical excitation
      New Journal of Physics 19, 053010 (2017). [PDF][Link][arXiv]

    10. A.F. Kockum, A. Miranowicz, V. Macrì, S. Savasta, F. Nori
      Deterministic quantum nonlinear optics with single atoms and virtual photons
      Physical Review A 95, 063849 (2017). [PDF][Link][arXiv]

    11. A.F. Kockum, V. Macrì, L. Garziano, S. Savasta, F. Nori
      Frequency conversion in ultrastrong cavity QED
      Scientific Reports 7, 5313 (2017). [PDF][Link][arXiv][Supplementary information]

    12. Z. Chen, Y. Wang, T. Li, L. Tian, Y. Qiu, K. Inomata, F. Yoshihara, S. Han, F. Nori, J.S. Tsai, J.Q. You
      Single-photon-driven high-order sideband transitions in an ultrastrongly coupled circuit-quantum-electrodynamics system
      Phys. Rev. A 96, 012325 (2017). [PDF][Link][arXiv]

    13. M. Cirio, K. Debnath, N. Lambert, F. Nori
      Amplified Optomechanical Transduction of Virtual Radiation Pressure
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    14. R. Stassi, V. Macrì, A.F. Kockum, O.D. Stefano, A. Miranowicz, S. Savasta, F. Nori
      Quantum Nonlinear Optics without Photons
      Phys. Rev. A 96, 023818 (2017). [PDF][Link][arXiv]

    15. S. Endo, Y. Matsuzaki, K. Kakuyanagi, S. Saito, N. Lambert, F. Nori
      Dynamics of an ultra-strongly-coupled system interacting with a driven nonlinear resonator
      preprint, (2017). [arXiv]

    16. V. Macrì, A. Ridolfo, O.D. Stefano, A.F. Kockum, F. Nori, S. Savasta
      Non-perturbative Dynamical Casimir Effect in Optomechanical Systems: Vacuum Casimir-Rabi Splittings
      preprint, (2017). [arXiv]