Suppression of Rabi oscillations in hybrid optomechanical systems

Holz, Timo; Betzholz, Ralf; Bienert, Marc

doi:10.1103/physreva.92.043822

Cited by 20 publications

(17 citation statements)

References 32 publications

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“…This alternative way is exploited to obtain enhancement of light-matter coupling rate and its quantum features such as entanglement which is a key resource for quantum information operations [11,2,30,29]. However, other scenarios involving acoustic phonons show a detrimental impact on the lightmatter strong coupling and its effects [7,10].…”

Section: Introductionmentioning

confidence: 99%

Indirect strong coupling regime between a quantum emitter and a cavity mediated by a mechanical resonator

2018

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Section: Introductionmentioning

confidence: 99%

Indirect strong coupling regime between a quantum emitter and a cavity mediated by a mechanical resonator

2018

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“…The coupling of the light field of an optomechanical cavity to a collective excitation such as a Bose-Einstein condensate [18] or a quantum well excitonic transition [19] has also been studied. More recently, the possibility to reach strong optomechanical coupling has opened the way to studies exploring hybrid systems containing a single two-level atom [20][21][22][23][24].…”

Section: Introductionmentioning

confidence: 99%

Fully coupled hybrid cavity optomechanics: Quantum interferences and correlations

2017

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We present a quantum theory for a fully coupled hybrid optomechanical system where all mutual couplings between a two-level atom, a confined photon mode and a mechanical oscillator mode are considered. In such a configuration, new quantum interference effects and correlations arise due to the interplay and competition between the different physical interactions. We present an analytical diagonalization of the related fully coupled Hamiltonian, showing the nature and energy spectra of the tripartite dressed excitations. We determine the driven-dissipative dynamics of such hybrid systems and study phonon blockade effects under resonant excitation. We also study the statistical properties of the photon emission obtained under incoherent pumping of the two-level atom, which is particularly relevant for experiments with solid-state two-level emitters.

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“…They have also studied the phonon blockade in nanomechanical resonators coupled to a qubit 108,109 . Some optomechanical systems have been conceived with the photon mode, the mechanical resonator, and the twolevel system coupled together [110][111][112][113][114] . Pirkkalainen and coworkers have fabricated a QED device coupled with phonons, in which a superconducting transmon qubit is coupled to a microwave cavity and a micromechanical resonator 59,115 .…”

Section: B Case Ii: Strong Qubit-photon Coupling With Weak Photon Tun...mentioning

confidence: 99%

Engineering Photon Delocalization in a Rabi Dimer with a Dissipative Bath

et al. 2018

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A Rabi dimer is used to model a recently reported circuit quantum electrodynamics system composed of two coupled transmission-line resonators with each being coupled to one qubit. In this study, a phonon bath is adopted to mimic the multimode micromechanical resonators and is coupled to the qubits in the Rabi dimer. The dynamical behavior of the composite system is studied by the Dirac-Frenkel time-dependent variational principle combined with the multiple Davydov D 2 ansätze. Initially, all the photons are pumped into the left resonator, and the two qubits are in the down state coupled with the phonon vacuum. In the strong qubit-photon coupling regime, the photon dynamics can be engineered by tuning the qubit-bath coupling strength α and photon delocalization is achieved by increasing α. In the absence of dissipation, photons are localized in the initial resonator. Nevertheless, with moderate qubit-bath coupling, photons are delocalized with quasiequilibration of the photon population in two resonators at long times. In this case, high-frequency bath modes are activated by interacting with depolarized qubits. For strong dissipation, photon delocalization is achieved via frequent photon-hopping within two resonators and the qubits are suppressed in their initial down state.circuit QED architectures have been designed and fabricated as research platforms in quantum computation [2,[6][7][8][9][10][11][12] and quantum information. [13][14][15][16] Due to high flexibility and tunability, circuit QED devices offer the possibility to simulate light-matter interactions in quantum systems with an integrated circuit. [1,10,12,17,18] Experiments focus on engineering the coupling between a single resonator and a qubit for controllable single-resonator systems. [19][20][21] A key challenge is to carry out quantum simulations of strongly correlated photons of coupled-resonator systems by controlling the inter-resonator photon coupling and device-environment interactions. [22,23] It gives rise to an interesting phenomenon of photon self-trapping due to the competition between the qubit-photon coupling and the inter-resonator photon hopping, which has been realized in experiment using transmon qubits and two coupled transmission-line resonators. [24] Another QED system composed of two coupled nonlinear resonators has been fabricated for quantum amplification. [25] Described as a Bose-Hubbard dimer, this device can also be used for photon generation. [26][27][28][29][30] Recent theoretical studies model the tunnel-coupled resonators each containing a qubit as a Jaynes-Cumming (JC) dimer, which is the smallest possible coupled-resonator system. [3,4,24,31,32] The JC Hamiltonian describes a QED system with weak qubit-photon coupling, which omits the counterrotating-wave (CRW) interactions between the qubit and the photon mode. [33] Experimental progress has made it possible to achieve ultra-strong coupling, [1,[34][35][36][37] where the qubit-photon coupling strength is comparable to the resonator frequency. In this regime, the JC...

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Suppression of Rabi oscillations in hybrid optomechanical systems

Cited by 20 publications

References 32 publications

Indirect strong coupling regime between a quantum emitter and a cavity mediated by a mechanical resonator

Indirect strong coupling regime between a quantum emitter and a cavity mediated by a mechanical resonator

Fully coupled hybrid cavity optomechanics: Quantum interferences and correlations

Engineering Photon Delocalization in a Rabi Dimer with a Dissipative Bath

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