English
Related papers

Related papers: Coherent single-photon generation and trapping wit…

200 papers

We propose an efficient, scalable, and deterministic scheme to generate multiple indistinguishable photons over independent channels, on demand. Our design relies on multiple single-photon sources, each coupled to a waveguide, and all of…

Quantum Physics · Physics 2025-03-18 Ming Li , Juan José García-Ripoll , Tomás Ramos

We discuss a cavity-QED scheme to deterministically generate entangled photons pairs by using a three-level atom successively coupled to two single longitudinal mode high-Q cavities presenting polarization degeneracy. The first cavity is…

Quantum Physics · Physics 2015-06-26 R. Garcia-Maraver , K. Eckert , R. Corbalan , J. Mompart

We investigate a single atom cavity-QED system directly driven by a broadband squeezed light. We demonstrate how the squeezed radiation can be used to sense the presence of a single atom in a cavity. This happens by transferring one of the…

Quantum Physics · Physics 2019-06-26 D. Q. Bao , C. J. Zhu , Y. P. Yang , G. S. Agarwal

Multimode cavity quantum electrodynamics ---where a two-level system interacts simultaneously with many cavity modes---provides a versatile framework for quantum information processing and quantum optics. Due to the combination of long…

Hybrid quantum information devices that combine disparate physical systems interacting through photons offer the promise of combining low-loss telecommunications wavelength transmission with high fidelity visible wavelength storage and…

Quantum Physics · Physics 2011-08-22 Matthew T. Rakher , Lijun Ma , Marcelo Davanco , Oliver Slattery , Xiao Tang , Kartik Srinivasan

Epitaxially grown quantum dots (QDs) are promising sources of non-classical states of light such as single photons and entangled photons. However, in order for them to be used as a resource for long-distance quantum communication,…

Quantum Physics · Physics 2013-12-04 Matthew T. Rakher , Richard J. Warburton , Philipp Treutlein

In this paper, the higher energy levels of the transmon qubit are taken into consideration to investigate the continuous variable entanglement generation between the transmon qubit and the single-mode cavity. Based on the framework of…

Quantum Physics · Physics 2024-02-19 Jian-Zhuang Wu , Lian-E Lu , Xin-Yu Zhao , Yong-Hong Ma

Single-photon coherent optics represents a fundamental importance for the investigation of quantum light-matter interactions. While most work has considered the interaction in the steady-state regime, here we demonstrate that a…

Quantum Physics · Physics 2015-06-17 Shushan Petrosyan , Yuri Malakyan

We explore the potential for hybrid development of quantum hardware where currently available quantum computers simulate open Cavity Quantum Electrodynamical (CQED) systems for applications in optical quantum communication, simulation and…

Recent technological advances in cavity quantum electrodynamics (CQED) are paving the way to utilise multiple quantum emitters confined in a single optical cavity. In such systems it is crucially important to control the quantum mechanical…

Quantum Physics · Physics 2016-06-08 Stephen Begley , Markus Vogt , Gurpreet Kaur Gulati , Hiroki Takahashi , Matthias Keller

Single photons are the natural link between the nodes of a quantum network: they coherently propagate and interact with many types of quantum bits including natural and artificial atoms. Ideally, one atom should deterministically control…

By integrating the techniques of laser cooling and trapping with those of cavity quantum electrodynamics (QED), single Cesium atoms have been trapped within the mode of a small, high finesse optical cavity in a regime of strong coupling.…

Quantum Physics · Physics 2009-10-31 J. Ye , D. W. Vernooy , H. J. Kimble

In this short communication, a new type of two-channel cavity QED model is derived. Two-channel models are important for they often lead to quantum interference phenomena. The previous models relied on the use of two or more modes of the…

Quantum Physics · Physics 2008-04-04 F. L. Semião

We study the sequential generation of entangled photonic and atomic multi-qubit states in the realm of cavity QED. We extend the work of C. Schoen et al. [Phys. Rev. Lett. 95, 110503 (2005)], where it was shown that all states generated in…

Quantum Physics · Physics 2007-05-23 C. Schoen , K. Hammerer , M. M. Wolf , J. I. Cirac , E. Solano

Quantum key distribution (QKD) will most likely be an integral part of any practical quantum network in the future. However, not all QKD protocols can be used in today's networks because of the lack of single-photon emitters and noisy…

Quantum Physics · Physics 2025-10-07 Nitin Jha , Abhishek Parakh , Mahadevan Subramaniam

Cavity quantum electrodynamics (cQED), the interaction of a two-level system with a high quality factor (Q) cavity, is a foundational building block in different architectures for quantum computation, communication, and metrology. The…

In this chapter we will discuss the technology and experimental techniques to realize quantum dot (QD) single photon sources combining high outcoupling efficiencies and highest degrees of non-postselected photon indistinguishability. The…

Quantum Physics · Physics 2015-02-03 C. Schneider , P. Gold , C. -Y. Lu , S. Höfling , J. -W. Pan , M. Kamp

The interaction of a single photon with an individual two-level system is the textbook example of quantum electrodynamics. Achieving strong coupling in this system so far required confinement of the light field inside resonators or…

Single excitons in semiconductor microcavities represent a solid-state and scalable platform for cavity quantum electrodynamics (c-QED), potentially enabling an interface between flying (photon) and static (exciton) quantum bits in future…

Quantum Physics · Physics 2015-06-23 Francesco Pagliano , YongJin Cho , Tian Xia , Frank van Otten , Robert Johne , Andrea Fiore

In this chapter, we present the state-of-the-art in the generation of nonclassical states of light using semiconductor cavity quantum electrodynamics (QED) platforms. Our focus is on the photon blockade effects that enable the generation of…

Optics · Physics 2017-07-18 Marina Radulaski , Kevin Fischer , Jelena Vuckovic