Multiphoton quantum Rabi oscillations in ultrastrong cavity QED

By L. Garziano, R. Stassi, V. Macrì, Anton Frisk Kockum, Salvatore Savasta, Franco Nori. 2015

142 citations recorded by the source corpus.

When an atom is strongly coupled to a cavity, the two systems can exchange a single photon through a coherent Rabi oscillation. This process enables precise quantum-state engineering and manipulation of atoms and photons in a cavity, which play a central role in quantum information and measurement. Recently, a new regime of cavity QED was reached experimentally where the strength of the interaction between light and artificial atoms (qubits) becomes comparable to the atomic transition frequency or the resonance frequency of the cavity mode. Here we show that this regime can strongly modify the concept of vacuum Rabi oscillations, enabling multiphoton exchanges between the qubit and the resonator. We find that experimental state-of-the-art circuit-QED systems can undergo two- and three-photon vacuum Rabi oscillations. These anomalous Rabi oscillations can be exploited for the realization of efficient Fock-state sources of light and complex entangled states of qubits.

Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/c760ae33a53e754dc90690639220a62c0d2df148

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Artificial Intelligence

1. Franco Nori
2. Adam Miranowicz
3. Anton Frisk Kockum
4. Yu-xi Liu
5. X. Gu
6. Sahel Ashhab
7. J. You
8. I. Georgescu

In Atomic and Molecular Physics, and Optics

1. Adam Miranowicz
2. Franco Nori
3. Yu-xi Liu
4. Anton Frisk Kockum
5. X. Gu
6. Sahel Ashhab
7. J. You
8. I. Georgescu

In Electrical and Electronic Engineering

1. Yu-xi Liu
2. Franco Nori
3. Adam Miranowicz

Citations in the corpus

• Microwave photonics with superconducting quantum circuits (2017, background): “lations in the JC model can be extended to multiphoton Rabi oscillations, where multiple photons excite the qubit [413, 414], a single photon can excite multiple qubits [415], and frequency conversion of photons can be realized if a qubit is coupled ultrastrongly to two resonator modes [416].”