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We analyze a chain of coupled nonlinear optical cavities driven by a coherent source of light localized at one end and subject to uniform dissipation. We characterize photon transport by studying the populations and the photon correlations…

Other Condensed Matter · Physics 2015-05-13 Alberto Biella , Leonardo Mazza , Iacopo Carusotto , Davide Rossini , Rosario Fazio

While the recently realized dissipative time crystal in a laser-pumped atom-cavity system in the experiment of Ke{\ss}ler et al. [Phys. Rev. Lett. 127, 043602 (2021)] is qualitatively consistent with a theoretical description in an…

Quantum Physics · Physics 2022-04-19 Richelle Jade L. Tuquero , Jim Skulte , Ludwig Mathey , Jayson G. Cosme

Developing quantum networks necessitates coherently connecting distant systems via remote strong coupling. Here, we demonstrate long-distance coherence in cavity magnonics operating in the linear regime. By locally setting the cavity near…

Quantum Physics · Physics 2024-06-14 Ying Yang , Jiguang Yao , Yang Xiao , Pak-Tik Fong , Hoi-Kwan Lau , C. -M. Hu

The interaction of laser cooled and trapped atoms with resonant light is limited by the linewidth of the excited state of the atom. Another precise optical oscillator is an optical Fabry-P\'erot cavity. The combining of cold atoms with…

Optics · Physics 2017-09-19 Rahul Sawant , S. A. Rangwala

Prospects for reaching persistent entanglement between two spatially separated atomic Bose-Einstein condensates are outlined. The system set-up comprises of two condensates loaded in an optical lattice, which, in return, is confined within…

Quantum Physics · Physics 2015-08-05 Chaitanya Joshi , Jonas Larson

We theoretically and experimentally demonstrate coherence phenomena in optical parametric amplification inside a cavity. The mode splitting in transmission spectra of phase-sensitive optical parametric amplifier is observed. Especially, we…

Quantum Physics · Physics 2009-11-11 Hongliang Ma , Chenguang Ye , Dong Wei , Jing Zhang

In quantum simulations and experiments on optomechanical cavities, coherence control is a challenging issue. We propose a scheme of two coupled optomechanical cavities to enhance the intracavity entanglement. Photon hopping is employed to…

Quantum Physics · Physics 2022-09-07 Smail Bougouffa , Mohannad Al-Hmoud , Jabir Wali Hakami

Lasing and steady state superradiance are two phenomena that may appear at first glance to be distinct. In a laser, phase information is maintained by a macroscopic intracavity light field, and the robustness of this phase is what leads to…

Quantum Physics · Physics 2017-02-17 D. A. Tieri , Minghui Xu , D. Meiser , J. Cooper , M. J. Holland

We propose an experimental setup, feasible with present day technology, involving two highquality- factor cavities, one Ramsey zone and a two-level atom which interacts with them. The dynamics in the cavities is modeled by a dissipative…

Quantum Physics · Physics 2010-02-24 E. Agudelo , B. A. Rodriguez , K. M. Fonseca-Romero

We investigate the spectrum of the resonance fluorescence from the lateral triple quantum dots controlled by voltage and obtain some interesting features such as controllable triple narrow peaks. In our system we use tunneling instead of…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Si-Cong Tian , Cun-Zhu Tong , Chun-Liang Wang , Yong-Qiang Ning , Li-Jun Wang

Spontaneous emission can create coherences in a multilevel atom having close lying levels, subject to the condition that the atomic dipole matrix elements are non-orthogonal. This condition is rarely met in atomic systems. We report the…

Quantum Physics · Physics 2009-10-31 Anil K. Patnaik , G. S. Agarwal

The coherent dipole-dipole interactions of atoms in an atomic array are studied. It is found that the excitation probability of an atom in an array parallel to the direction of laser propagation ($\boldsymbol{\hat{k}}$) will either grow or…

Atomic Physics · Physics 2016-09-21 R. T. Sutherland , F. Robicheaux

The role of spontaneous emission in the interaction between a two-level atom and a pumped micro-cavity in the strong coupling regime is discussed in this paper. Especially, using a quantum Monte-Carlo simulation, we investigate atomic…

Atomic Physics · Physics 2015-05-19 Zhen Fang , Rui Guo , Xiaoji Zhou , Xuzong Chen

We report the first observation of bound-state proximity resonances in coupled dielectric resonators. The proximity resonances arise from the combined action of symmetry and dissipation. We argue that the large ratio between the widths is a…

Quantum Physics · Physics 2009-10-31 Kristi Pance , Lorenza Viola , S. Sridhar

Atoms coupled to cavities provide an exciting playground for the study of fundamental interactions of atoms mediated through a common channel. Many of the applications of cavity-QED and cold-atom experiments more broadly, suffer from…

One of the most pertinent problems in the debate on non-trivial quantum effects in biology concerns natural photosynthesis. Since sunlight is composed of thermal photons, it was argued to be unable to induce quantum coherence in matter, and…

Quantum Physics · Physics 2018-07-30 Vyacheslav N. Shatokhin , Mattia Walschaers , Frank Schlawin , Andreas Buchleitner

Photon-mediated interactions between atomic systems can arise via coupling to a common electromagnetic mode or by quantum interference. Here, we probe the role of coherence in cooperative emission arising from two distant but…

In this review, we give an interdisciplinary overview of Bose-Einstein condensation phenomena in photonic systems. We cover a wide range of systems, from lasers to photon condensates in dye-filled cavities, to excitons in semiconductor…

Optics · Physics 2023-10-13 Jacqueline Bloch , Iacopo Carusotto , Michiel Wouters

It is usually considered that the spectrum of an optical cavity coupled to an atomic medium does not exhibit a normal-mode splitting unless the system satisfies the strong coupling condition, meaning the Rabi frequency of the coherent…

Quantum Physics · Physics 2017-01-06 Y. -H. Lien , G. Barontini , M. Scheucher , M. Mergenthaler , J. Goldwin , E. A. Hinds

We study the spontaneous emission from a coherently delocalized exciton state in a double quantum dot as a function of the distance between the dots, focusing on the similarities and differences between the cases of radiative (long-range,…

Mesoscale and Nanoscale Physics · Physics 2012-01-20 Wildan Abdussalam , Paweł Machnikowski