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Cavity quantum electrodynamics (cavity QED) describes the coherent interaction between matter and an electromagnetic field confined within a resonator structure, and is providing a useful platform for developing concepts in quantum…

We propose a method to prepare entangled states and implement quantum computation with atoms in optical cavities. The internal state of the atoms are entangled by a measurement of the phase of light transmitted through the cavity. By…

Quantum Physics · Physics 2009-11-10 Anders S. Sorensen , Klaus Molmer

To achieve high degree of quantum noise squeezing, an optical cavity is often employed to enhance the interaction time between light and matter. Here, we propose to utilize the effect of coherent population trapping (CPT) to directly…

Quantum Physics · Physics 2017-11-15 You-Lin Chuang , Ray-Kuang Lee , Ite A. Yu

Qudits with a large Hilbert space to host quantum information are widely utilized in various applications, such as quantum simulation and quantum computation, but the manipulation and scalability of qudits still face challenges. Here, we…

Quantum Physics · Physics 2023-02-23 Si-Wu Li , Tianfeng Feng , Xiao-Long Hu , Ze-Liang Xiang , Xiaoqi Zhou

We describe the transfer of quantum information and entanglement from three flying (radiation) to three localized (atomic) qubits via cavity modes resonantly coupled to the atoms, in the presence of a common reservoir. Upon addressing the…

Quantum Physics · Physics 2012-08-21 Matteo Bina , Federico Casagrande , Marco G. Genoni , Alfredo Lulli , Matteo G. A. Paris

We present a cavity-QED theory for generating squeezed light from semiconductor quantum dots (QDs) integrated in microcavities. We formulate equations of motion for an inhomogeneously broadened QD ensemble that is incoherently pumped and…

Quantum Physics · Physics 2025-08-22 Sahil Patel , Sean Doan , Chen Shang , Frederic Grillot , Frank Jahnke , John Bowers , Galan Moody , Weng Chow

This article reviews recent research towards a universal light-matter interface. Such an interface is an important prerequisite for long distance quantum communication, entanglement assisted sensing and measurement, as well as for scalable…

Quantum Physics · Physics 2011-11-04 Christine A. Muschik , Hanna Krauter , Klemens Hammerer , Eugene S. Polzik

Photonic crystals provide an extremely powerful toolset for manipulation of optical dispersion and density of states, and have thus been employed for applications from photon generation to quantum sensing with NVs and atoms. The unique…

Quantum Physics · Physics 2016-08-02 Yanbing Liu , Andrew A. Houck

Single and two-mode multiphoton states are the cornerstone of many quantum technologies, e.g., metrology. In the optical regime these states are generally obtained combining heralded single-photons with linear optics tools and…

Quantum Physics · Physics 2018-05-30 V. Paulisch , H. J. Kimble , J. I. Cirac , A. González-Tudela

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

Mesoscopic superposition states of photons can be prepared in three cavities interacting with the same two-level atom. By periodically modulating the three cavity frequencies around the transition frequency of the atom with $2\pi/3$ phase…

Quantum Physics · Physics 2016-06-07 Da-Wei Wang , Han Cai , Ren-Bao Liu , Marlan O. Scully

Large number of multimode entangled states of light generated in down conversion processes belongs to a collection which is natural generalization of the W class. A brief overview of these states, schemes for their preparation, experimental…

Quantum Physics · Physics 2007-05-23 V. N. Gorbachev , A. I. Trubilko

The interaction of atoms and molecules with quantum light as realized in cavities has become a highly topical and fast growing field of research. This interaction leads to the formation of hybrid light-matter states giving rise to new…

Chemical Physics · Physics 2022-12-15 Lorenz S. Cederbaum , Jacqueline Fedyk

We propose a scheme to prepare a maximally entangled state for two Lambda-type atoms trapped in separate optical cavities coupled through an optical fiber based on the combined effect of the unitary dynamics and the dissipative process. Our…

Quantum Physics · Physics 2015-09-02 Shi-Lei Su , Xiao-Qiang Shao , Qi Guo , Liu-Yong Cheng , Hong-Fu Wang , Shou Zhang

We propose two schemes for the generation of the cluster states. One is based on cavity quantum electrodynamics (QED) techniques. The scheme only requires resonant interactions between two atoms and a single-mode cavity. The interaction…

Quantum Physics · Physics 2009-11-11 Ping Dong , Zheng-Yuan Xue , Ming Yang , Zhuo-Liang Cao

We propose a scheme employing quantum-reservoir engineering to controllably entangle the internal states of two atoms trapped in a high finesse optical cavity. Using laser and cavity fields to drive two separate Raman transitions between…

Quantum Physics · Physics 2009-11-07 S. G. Clark , A. S. Parkins

We investigate squeezing of light through quantum-noise-limited interactions with two different material systems: an ultracold atomic spin ensemble and a micromechanical membrane. Both systems feature a light-matter quantum interface that…

We propose a scheme to generate nonclassical states of a quantum system, which is composed of the one-dimensional trapped ion motion and a single cavity field mode. We show that two-mode SU(2) Schr\"odinger-cat states, entangled coherent…

Quantum Physics · Physics 2009-11-07 XuBo Zou , K. Pahlke , W. Mathis

Intense laser-matter interactions are at the center of interest in research and technology since the development of high power lasers. They have been widely used for fundamental studies in atomic, molecular, and optical physics, and they…

Entangled states are a crucial resource for quantum-based technologies such as quantum computers and quantum communication systems (1,2). Exploring new methods for entanglement generation is important for diversifying and eventually…