Proposal for Heralded Generation and Detection of Entangled Microwave–Optical-Photon Pairs

Zhong, Changchun; Wang, Zhixin; Zou, Chang‐Ling; Zhang, Mengzhen; Han, Xu; Fu, Wei; Xu, Mingrui; Shankar, Shyam; Devoret, Michel; Tang, Hong X.; Jiang, Liang

doi:10.1103/physrevlett.124.010511

Cited by 90 publications

(83 citation statements)

References 107 publications

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“…The generated single entangled photon-phonon pairs will have applications in quantum communication and the hybrid optomechanical system can serve as quantum transducers in building hybrid quantum networks. In addition, the basic mechanism of this work can be generalized to a nondegenerate twophoton Jaynes-Cummings model [68,69], to generate entangled photon pairs with different frequency, such as entangled microwave-optical photon pairs [70].…”

Section: Discussionmentioning

confidence: 99%

Generation of single entangled photon-phonon pairs via an atom-photon-phonon interaction

Shi

Liao

et al. 2019

Phys. Rev. A

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Quantum blockade and entanglement play important roles in quantum information and quantum communication as quantum blockade is an effective mechanism to generate single photons (phonons) and entanglement is a crucial resource for quantum information processing. In this work, we propose a method to generate single entangled photon-phonon pairs in a hybrid optomechanical system. We show that photon blockade, phonon blockade, and photon-phonon correlation and entanglement can be observed via the atom-photon-phonon (tripartite) interaction, under the resonant atomic driving. The correlated and entangled single photons and single phonons, i.e., single entangled photonphonon pairs, can be generated in both the weak and strong tripartite interaction regimes. Our results may have important applications in the development of highly complex quantum networks.

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Section: Discussionmentioning

confidence: 99%

Generation of single entangled photon-phonon pairs via an atom-photon-phonon interaction

Shi

Liao

et al. 2019

Phys. Rev. A

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“…Taking ω e = ω m , we can write down the linearized Hamiltonian of the system with rotating wave approximation [20,31]…”

Section: Piezo-optomechanical System With a Blue-detuned Drivementioning

confidence: 99%

“…Despite these encouraging * zhong.changchun@uchicago.edu † liang.jiang@uchicago.edu progress, an efficient quantum-enabled M-O transducer remains to be demonstrated, mainly due to demanding requirements of high conversion efficiency threshold and low added thermal noises. In contrast, ET doesn't require the threshold conversion efficiency, and thus is more compatible with the current technological developments [31,38,39]. A major step in ET is to demonstrate useful entanglement between microwave and optical photon pairs (or continuous modes).…”

Section: Introductionmentioning

confidence: 99%

Entanglement of microwave-optical modes in a strongly coupled electro-optomechanical system

et al. 2020

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Quantum transduction between microwave and optics can be realized by quantum teleportation if given reliable microwave-optical entanglement, namely entanglement-based quantum transduction. To realize this protocol, an entangled source with high-fidelity between the two frequencies is necessary. In this paper, we study the microwave and optical entanglement generation based on a generic cavity electro-optomechanical system in the strong coupling regime. Splittings are shown in the microwave and optical output spectra and the frequency entanglement between the two modes is quantified. We show that entanglement can be straightforwardly encoded in the frequency-bin degree of freedom and propose a feasible experiment to verify entangled photon pairs. The experimental implementation is systematically analyzed, and the preferable parameter regime for entanglement verification is identified. An inequality is given as a criterion for good entanglement verification with analysis of practical imperfections.

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“…Very recently it has been shown that mechanical oscillators can also be used to deterministically generate entangled electromagnetic fields [18]. Mechanical generation of microwave-optical entanglement has been proposed [19][20][21][22][23][24][25] but an experimental realization remains challenging. Low frequency mechanical transducers typically suffer from added noise and low bandwidth, while high frequency piezoelectric devices require sophisticated wave matching and new materials, which so far results in low total interaction efficiencies [26][27][28], comparable to magnon-based interfaces [29].…”

Section: Introductionmentioning

confidence: 99%

Electro-optic entanglement source for microwave to telecom quantum state transfer

et al. 2019

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We propose an efficient microwave-photonic modulator as a resource for stationary entangled microwaveoptical fields and develop the theory for deterministic entanglement generation and quantum state transfer in multi-resonant electro-optic systems. The device is based on a single crystal whispering gallery mode resonator integrated into a 3D microwave cavity. The specific design relies on a new combination of thin-film technology and conventional machining that is optimized for the lowest dissipation rates in the microwave, optical and mechanical domains. We extract important device properties from finite element simulations and predict continuous variable entanglement generation rates on the order of a Mebit/s for optical pump powers of only a few tens of microwatt. We compare the quantum state transfer fidelities of coherent, squeezed and non-Gaussian catstates for both teleportation and direct conversion protocols under realistic conditions. Combining the unique capabilities of circuit quantum electrodynamics with the resilience of fiber optic communication could facilitate long distance solid-state qubit networks, new methods for quantum signal synthesis, quantum key distribution, and quantum enhanced detection, as well as more power-efficient classical sensing and modulation.

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Proposal for Heralded Generation and Detection of Entangled Microwave–Optical-Photon Pairs

Cited by 90 publications

References 107 publications

Generation of single entangled photon-phonon pairs via an atom-photon-phonon interaction

Generation of single entangled photon-phonon pairs via an atom-photon-phonon interaction

Entanglement of microwave-optical modes in a strongly coupled electro-optomechanical system

Electro-optic entanglement source for microwave to telecom quantum state transfer

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