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Related papers: Towards High-Brightness Perfect Photon Blockade

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We propose an experimental scheme to implement a strong photon blockade with a single quantum dot coupled to a nanocavity. The photon blockade effect can be tremendously enhanced by driving the cavity and the quantum dot simultaneously with…

Quantum Physics · Physics 2015-03-19 Jing Tang , Weidong Geng , Xiulai Xu

Deterministic single-photon sources are important and ubiquitous in quantum information protocols. However, to the best of our knowledge, none of them work in the ultrastrong light-matter coupling regime, and each excitation process can…

We propose to implement a new kind of solid-state single-photon source based on the recently observed Rydberg blockade effect for excitons in cuprous oxide. The strong interaction between excitons in levels with high principal quantum…

Quantum Physics · Physics 2017-10-24 Mohammadsadegh Khazali , Khabat Heshami , Christoph Simon

Integrated photonics is a powerful contender in the race for a fault-tolerant quantum computer, claiming to be a platform capable of scaling to the necessary number of qubits. This necessitates the use of high-quality quantum states, which…

Quantum Physics · Physics 2023-03-31 Ben M. Burridge , Imad I. Faruque , John G. Rarity , Jorge Barreto

While integrated photonics is a robust platform for quantum information processing, architectures for photonic quantum computing place stringent demands on high quality information carriers. Sources of single photons that are highly…

We study the photon blockade at exceptional points for a non-Hermitian optomechanical system coupled to the driven whispering-gallery-mode microresonator with two nanoparticles under the weak optomechanical coupling approximation, where…

Quantum Physics · Physics 2024-04-19 J. Y. Sun , H. Z. Shen

Colloidal core/shell InP/ZnSe quantum dots (QDs), recently produced using an improved synthesis method, have a great potential in life-science applications as well as in integrated quantum photonics and quantum information processing as…

Mesoscale and Nanoscale Physics · Physics 2017-11-22 Vigneshwaran Chandrasekaran , Mickaël D. Tessier , Dorian Dupont , Pieter Geiregat , Zeger Hens , Edouard Brainis

A single photon source is a key enabling technology in device-independent quantum communication, quantum simulation for instance boson sampling, linear optics-based and measurement-based quantum computing. These applications involve many…

Solid-state single photon sources are central building blocks in quantum communication networks and on-chip quantum information processing. Atomically thin crystals were established as possible candidates to emit non-classical states of…

Based on the scattering matrix method, we theoretically demonstrate that the chiral interaction can induce the almost perfect photon blockade (PB) in the waveguide-cavity quantum electrodynamics (QED) system. The mechanism relies on the…

Quantum Physics · Physics 2025-04-09 Zhi-Guang Lu , Ying Wu , Xin-You Lü

A major goal within the field of optomechanics is to achieve the single-photon strong coupling regime, wherein even a mechanical displacement as small as the zero-point uncertainty is enough to shift an optical cavity resonance by more than…

Quantum Physics · Physics 2018-07-04 Lukas Neumeier , Tracy E. Northup , Darrick E. Chang

We theoretically investigate the quantum-interference-induced photon blockade effect in a single two-level atom-cavity quantum electrodynamics (QED) system with degenerate parametric amplification. The analytical calculations reveal the…

Quantum Physics · Physics 2026-01-19 Madan Mohan Mahana , Sanket Das , Tarak Nath Dey

We propose a theoretical scheme to achieve strong photon blockade via a single atom in cavity. By utilizing optical Stark shift, the dressed-state splitting between higher and lower branches is enhanced, which results in significant…

Quantum Physics · Physics 2019-10-31 Jing Tang , Yuangang Deng , Chaohong Lee

A key resource for quantum optics experiments is an on-demand source of single and multiple photon states at telecommunication wavelengths. This letter presents a heralded single photon source based on a hybrid technology approach,…

Indistinguishability of single photons from independent sources is critically important for scalable quantum technologies. We provide a comprehensive comparison of single-photon indistinguishability of different kinds of cavity quantum…

Quantum Physics · Physics 2024-04-18 Miao Cai , Mingyuan Chen , Jiangshan Tang , Keyu Xia

Low noise single-photon sources are a critical element for quantum technologies. We present a heralded single-photon source with an extremely low level of residual background photons, by implementing low-jitter detectors and electronics and…

The phenomenon of upconversion, in which a system sequentially absorbs two or more photons and emits a photon of a higher frequency, has been used in numerous applications. These include high-resolution non-destructive bioimaging,…

Molecular cavity optomechanical systems, featuring ultrahigh vibrational frequencies and strong light-matter interactions, hold significant promise for advancing applications in quantum science and technology. Specifically, by introducing…

Optics · Physics 2025-12-25 Jian Tang , Baijun Li , Bin Yin , Tian-Xiang Lu , Ran Huang , Franco Nori , Hui Jing

Harnessing the interaction between light and matter at the quantum level has been a central theme in atomic physics and quantum optics, with applications from quantum computation to quantum metrology. Combining complex interactions with…

Integrated single photon sources are key building blocks for realizing scalable devices for quantum information processing. For such applications highly coherent and indistinguishable single photons on a chip are required. Here we report on…

Mesoscale and Nanoscale Physics · Physics 2019-05-06 Łukasz Dusanowski , Soon-Hong Kwon , Christian Schneider , Sven Höfling