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We study the thermodynamic properties of a system of two-level dipoles that are coupled ultrastrongly to a single cavity mode. By using exact numerical and approximate analytical methods, we evaluate the free energy of this system at…

量子物理 · 物理学 2020-09-30 Philipp Pilar , Daniele De Bernardis , Peter Rabl

Dipolaritons are a three-way superposition of photon, a direct exciton, and an indirect exciton that are formed in coupled quantum well microcavities. As is the case with exciton-polaritons, dipolaritons have a self-interaction due to…

量子气体 · 物理学 2014-10-01 Tim Byrnes , German V. Kolmakov , Roman Ya. Kezerashvili , Yoshihisa Yamamoto

Generation of squeezed light and optomechanical instability for dissipative type of opto- mechanical coupling is theoretically addressed for a cavity with the input mirror, serving as a mechanical oscillator, or an equivalent system. The…

量子物理 · 物理学 2018-06-20 A. K. Tagantsev , I. V. Sokolov , E. S. Polzik

The coupling of photons with (ultra-) relativistic atomic nuclei is presented in two particular circumstances: very high electromagnetic fields and very short photon pulses. We consider a typical situation where the (bare) nuclei (fully…

核理论 · 物理学 2013-12-05 M. Apostol , M. Ganciu

Diffusional dynamics of the donor-acceptor distance in electron-transfer reactions are responsible for the appearance of a new time scale of diffusion over the distance of falloff of electronic tunneling. The distance dynamics compete with…

生物物理 · 物理学 2022-09-21 Dmitry V. Matyushov

Free electrons are unique tools to probe and manipulate nanoscale optical fields with emerging applications in ultrafast spectromicroscopy and quantum metrology. However, advances in this field are hindered by the small probability…

The coupling of matter to the quantized electromagnetic field of a plasmonic or optical cavity can be harnessed to modify and control chemical and physical properties of molecules. In optical cavities, a term known as the dipole self-energy…

The transmission spectrum of two dipole-dipole coupled atoms interacting with a single-mode optical cavity in strong coupling regime is investigated theoretically for the lower and higher excitation cases, respectively. The dressed states…

量子物理 · 物理学 2014-04-30 Yuqing Zhang , Lei Tan , Peter Barker

We show that the electric dipole-dipole interaction between a pair of polar molecules undergoes an all-out transformation when superimposed by a far-off resonant optical field. The combined interaction potential becomes tunable by variation…

原子物理 · 物理学 2015-05-30 Mikhail Lemeshko , Bretislav Friedrich

We compute the interaction energies of a two-atom system placed in the middle of a perfectly reflecting planar cavity, in the perturbative regime. Explicit expressions are provided for the van der Waals potentials of two polarisable atomic…

量子物理 · 物理学 2017-11-01 M. Donaire , J. M. Muñoz-Castañeda , L. M. Nieto

We explore higher order dynamical effects in the transport through a two-dimensional nanoscale electron system embedded in a three-dimensional far-infrared photon cavity. The nanoscale system is considered to be a short quantum wire with a…

介观与纳米尺度物理 · 物理学 2020-12-11 Vidar Gudmundsson , Nzar Rauf Abdullah , Chi-Shung Tang , Andrei Manolescu , Valeriu Moldoveanu

We review state-of-the-art theory and experiment of the motion of cold and ultracold atoms coupled to the radiation field within a high-finesse optical resonator in the dispersive regime of the atom-field interaction with small internal…

量子气体 · 物理学 2013-04-10 Helmut Ritsch , Peter Domokos , Ferdinand Brennecke , Tilman Esslinger

We explore the dynamics of energy transfer between two nanocrystal quantum dots placed within an optical microcavity. By adjusting the coupling strength between the cavity photon mode and the quantum dots, we have the capacity to fine-tune…

介观与纳米尺度物理 · 物理学 2024-10-02 Kaiyue Peng , Eran Rabani

Cavity quantum electrodynamics systems using atoms in resonant optical cavities are central elements of many applications such as quantum networks and quantum-enhanced sensing. We present a novel experimental setup that achieves strong…

原子物理 · 物理学 2025-03-25 T. Olney , V. Naniyil , V. Boyer , J. Goldwin , A. B. Deb

Integrated electro-optical switches are essential as one of the fundamental elements in the development of modern optoelectronics. As an architecture for photonic systems, exciton polaritons, that are hybrid bosonic quasiparticles that…

Exciton-polaritons are mutually interacting quantum hybridizations of confined photons and electronic excitations. Here we demonstrate a system of optically guided, electrically polarized exciton-polaritons ('dipolaritons') that displays up…

介观与纳米尺度物理 · 物理学 2018-04-18 Itamar Rosenberg , Dror Liran , Yotam Mazuz-Harpaz , Kenneth West , Loren Pfeiffer , Ronen Rapaport

We investigate the structure and the nonlinear dynamics of two rigid polar rotors coupled through the dipole-dipole interaction in an external homogeneous electric field. In the field-free stable head-tail configuration, an excess energy is…

混沌动力学 · 物理学 2020-01-08 Rosario González-Férez , Manuel Iñarrea , J. Pablo Salas , Peter Schmelcher

We study a hybrid system formed from an optomechanical resonator and a cavity mode strongly coupled to an excitonic transition inside a quantum well. We show that due to the mixing of cavity photon and exciton states, the emergent…

介观与纳米尺度物理 · 物理学 2014-03-04 O. Kyriienko , T. C. H. Liew , I. A. Shelykh

The coupling of internal electronic excitations to vibrational modes of the external motion of ultracold atoms in an optical lattice is studied here in using a perturbation expansion in small atomic displacements. In the Mott insulator case…

量子气体 · 物理学 2011-06-08 Hashem Zoubi , Helmut Ritsch

A ring of sub-wavelength spaced dipole-coupled quantum emitters possesses only few radiant but many extraordinarily subradiant collective modes. These exhibit a 3D-confined spatial radiation field pattern forming a nano-scale high-Q optical…