Phonon blockade in an acoustic cavity coupled to a three-level artificial atom

Xie, Wenzhi; Guo, Qin; Duan, Zhenglu

doi:10.1103/physrevb.106.115435

Cited by 4 publications

(2 citation statements)

References 76 publications

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“…Phonon blockade can also be realized by utilizing the destructive interference in the two-phonon excitation state. [27][28][29][30][31] The interference-based phonon blockade is often called unconventional phonon blockade, which works well with weak mechanical nonlinearity, but the low mean phonon number and the requirement of fine tuning of the system parameters make it difficult to be observed.…”

Section: Introductionmentioning

confidence: 99%

“…By studying the secondorder correlation function of phonons, we show it is feasible to implement phonon blockade based on the enhanced nonlinear photon-phonon interaction. In comparison to many preceding studies that phonon blockade is realized by coupling the mechanical system to a two-level system, [13][14][15][16][17][18][19][20][21][28][29][30][31] phonon blockade in our scheme is realized by optically controlling the mechanical system and the auxiliary system is not required. Moreover, we show that phonon blockade can be also detected without introducing an auxiliary system.…”

Section: Introductionmentioning

confidence: 99%

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Phonon Blockade in A Squeezed Cavity Optomechanical System

Xie,

He,

Shang

et al. 2023

Adv Quantum Tech

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Phonon blockade is study in a squeezed cavity optomechanical system, where the cavity mode is squeezed by a parametric driving field. The squeezed cavity mode can parametrically couple to the mechanical mode with an exponentially enhanced coupling strength, which allows one to obtain strong mechanical nonlinearity. By exploring the mechanical nonlinearity, the study researches on phonon blockade by analyzing the statistical properties of phonons, and finds that phonon blockade can be implemented with currently available optomechanical technologies. It is also shown that the phonon blockade can be detected by the measurement of correlation function of the squeezed cavity mode. The results suggest that the squeezed cavity optomechanical system could be a attractive platform for applications in the single‐phonon quantum technologies.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Phonon Blockade in A Squeezed Cavity Optomechanical System

Xie,

He,

Shang

et al. 2023

Adv Quantum Tech

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Unconventional photon blockade via two-photon absorption

Zhou,

Liu,

Zhang

et al. 2024

Phys. Scr.

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The unconventional photon blockade, which relies on the physical mechanism of quantum interference, is primarily investigated using a general master equation, where a weak nonlinearity must be presented in the system to achieve photon antibunching. In this study, we explore the unconventional photon blockade using an alternative master equation known as the two-photon absorption master equation, which is derived from the system and environment interaction via two-photon absorption. Specifically, we find that the unconventional photon blockade can be triggered in two-coupled cavities, where each cavity interacts with a two-photon absorption environment. Different from unconventional photon blockade via the general master equation, we show that the two-photon-absorption acts as the weak nonlinearity, and this photon blockade corresponds to a large average photon number. To derive optimal conditions for achieving this blockade, we propose an non-Hermitian Hamiltonian method to describe the mode loss caused by the two-photon absorption. In addition, we highlight the distinctions between our proposal and other approaches for generating single-photon states based on two-photon absorption.

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Deterministic generation of phononic Fock states via weak nonlinearities

Ma,

2023

Phys. Rev. A

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Phonon blockade in an acoustic cavity coupled to a three-level artificial atom

Cited by 4 publications

References 76 publications

Phonon Blockade in A Squeezed Cavity Optomechanical System

Phonon Blockade in A Squeezed Cavity Optomechanical System

Unconventional photon blockade via two-photon absorption

Deterministic generation of phononic Fock states via weak nonlinearities

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