Guan-Zhong Wang

Tsinghua University

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Li-Chuan Yang

Liang Lyu

Kunming University of Science and Technology

Franco Nori

University of Michigan–Ann Arbor

Mao-Ping Rui

First People's Hospital of Yunnan Province

Yu-xi Liu

Tsinghua University

Xiaoshan Wang

Technical University of Munich

Dong Fan

Shandong Academy of Agricultural Sciences

Jie Zheng

Mallinckrodt (United States)

Yulong Liu

Beijing Academy of Quantum Information Sciences

Xing-li Liu

First People's Hospital of Yunnan Province

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First People's Hospital of Yunnan Province

Kunming University of Science and Technology

Tsinghua University

Beijing Academy of Quantum Information Sciences

Second People's Hospital of Yunnan Province

Guilin Medical University

Shanxi University

University of Michigan–Ann Arbor

RIKEN

RIKEN Center for Advanced Photonics

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Mode coupling and photon antibunching in a bimodal cavity containing a dipole quantum emitter

Physical review. A/Physical review, A (2016)

Yulong Liu Guan-Zhong Wang Yu-xi Liu Franco Nori

We study the effect of mode coupling on a single-photon device in which a dipole quantum emitter (DQE) is embedded in a bimodal whispering-gallery-mode cavity. A scatterer is used to induce mode coupling between counterclockwise and clockwise propagating light fields, which interact with the DQE. We find that the antibunching increases when an additional cavity field is coupled to the DQE interacting with a cavity field. In contrast to models for the interaction between a DQE and a (one-mode or two-mode) cavity field, we find that a strong photon antibunching can occur, even for a weaker DQE-field coupling strength and large dephasing of the DQE, when mode coupling is introduced. We also find that mode coupling can make the device robust against either (1) the frequency mismatch between cavity modes and the DQE or (2) the coupling strength mismatch between the DQE and each mode in the two-mode cavity. Moreover, we find that these mismatches can be used to generate better antibunching. Our study shows that mode coupling in a bimodal cavity is very important for the realization of a good single-photon device.

10.1103/physreva.93.013856

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Citations (31)

Liver extracellular volume fraction values obtained with magnetic resonance imaging can quantitatively stage liver fibrosis: a validation study in monkeys with nonalcoholic steatohepatitis

European Radiology (2020)

Liang Lyu Xing-li Liu Mao-Ping Rui Li-Chuan Yang Guan-Zhong Wang

Repeatability

Neuroradiology

Nonalcoholic steatohepatitis

Steatohepatitis

Coefficient of variation

Steatosis

10.1007/s00330-020-06902-w

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Citations (3)