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The recently demonstrated electroluminescence of color centers in diamond makes them one of the best candidates for room temperature single-photon sources. However, the reported emission rates are far off what can be achieved by…

Mesoscale and Nanoscale Physics · Physics 2019-04-29 Dmitry Yu. Fedyanin , Mario Agio

Surface plasmon enhanced processes and hot-carrier dynamics in plasmonic nanostructures are of great fundamental interest to reveal light-matter interactions at the nanoscale. Using plasmonic tunnel junctions as a platform supporting both…

Cavity-electromechanical systems are extensively used for sensing and controlling the vibrations of mechanical resonators down to their quantum limit. The nonlinear radiation-pressure interaction in these systems could result in an unstable…

Quantum Physics · Physics 2024-09-02 Tanmoy Bera , Mridul Kandpal , G. S. Agarwal , Vibhor Singh

We study the photon statistics properties of few-photon transport in an optomechanical system where an optomechanical cavity couples to two empty cavities. By analytically deriving the one- and two-photon currents in terms of a…

Quantum Physics · Physics 2015-07-02 Wen-Zhao Zhang , Jiong Cheng , Jing-Yi Liu , Ling Zhou

High-spin quantum systems, endowed with rich internal degrees of freedom, constitute a promising platform for manipulating high-quality $n$-photon states. In this study, we explore $n$-photon bundles emission by constructing a high-spin…

Quantum Gases · Physics 2024-12-25 Huanhuan Wei , Jing Tang , Yuangang Deng

Single photon sources with high brightness and subnanosecond lifetimes are key components for quantum technologies. Optical nanoantennas can enhance the emission properties of single quantum emitters, but this approach requires accurate…

Optics · Physics 2021-09-08 Quanbo Jiang , Prithu Roy , Jean-Benoît Claude , Jérôme Wenger

This proposal investigates the photon-statistics of light emitted by a statistical ensemble of cold atoms excited by the near-field of an optical nanofiber tip. Dipole-dipole interactions of atoms at such short distance from each other…

We investigate transient transport of electrons through a single-quantum-dot controlled by a plunger gate. The dot is embedded in a finite wire that is weakly coupled to leads and strongly coupled to a single cavity photon mode. A…

Mesoscale and Nanoscale Physics · Physics 2013-11-15 Nzar Rauf Abdullah , Chi-Shung Tang , Andrei Manolescu , Vidar Gudmundsson

We investigate correlations between fluorescence photons emitted by single N-V centers in diamond with respect to the optical excitation power. The autocorrelation function shows clear photon antibunching at short times, proving the…

Quantum Physics · Physics 2007-05-23 A. Beveratos , R. Brouri , J. -P. Poizat , P. Grangier

Here, we introduce and experimentally demonstrate optical amplification and stimulated emission from a single optically pumped molecular tunneling junction of a scanning tunneling microscope. The gap between a sharp gold tip and a flat gold…

Optics · Physics 2014-01-09 K. Braun , A. M. Kern , X. Wang , H. Adler , H. Peisert , T. Chasse , D. Zhang , A. J. Meixner

We extend our holographic analysis of the emission of photons by a strongly coupled plasma subject to a very intense external magnetic field. We previously showed that in a particular model, any photon produced by the plasma had to be in…

High Energy Physics - Theory · Physics 2023-03-17 Daniel Ávila , Francisco Nettel , Leonardo Patiño

We demonstrate theoretically that charge transport across a Josephson junction, voltage-biased through a resistive environment, produces antibunched photons. We develop a continuous-mode description of the emitted radiation field in a…

Mesoscale and Nanoscale Physics · Physics 2015-07-13 Juha Leppäkangas , Mikael Fogelström , Alexander Grimm , Max Hofheinz , Michael Marthaler , Göran Johansson

We describe a technique that enables strong, coherent coupling between individual optical emitters and guided plasmon excitations in conducting nano-structures at optical frequencies. We show that under realistic conditions, optical…

Quantum Physics · Physics 2009-11-11 D. E. Chang , A. S. Sorensen , P. R. Hemmer , M. D. Lukin

We describe a new biasing scheme for single photon detectors based on superconducting tunnel junctions. It replaces a single detector junction with a circuit of three junctions and achieves biasing of a detector junction at subgap currents…

Superconductivity · Physics 2009-11-10 K. Segall , J. J. Mazo , T. P. Orlando

Two main mechanisms dictate the tunneling process in a double quantum dot: overlap of excited wave functions, effectively described as a tunneling rate, and phonon-assisted tunneling. In this paper, we study different regimes of tunneling…

Quantum Physics · Physics 2020-01-08 Vladimir Vargas-Calderón , Herbert Vinck-Posada

Some features of the field induced phase transition accompanied by the vacuum creation of an electron-positron plasma (EPP) in strong time-dependent electric fields have been discussed in the work [1] in the domain of the tunneling…

Two dimensional photon gases trapped in dye-filled microcavities can undergo thermalization and nearly ideal equilibrium Bose-Einstein condensation. However, they are inherently driven-dissipative systems that can exhibit an intricate…

Optics · Physics 2019-12-25 M. Vlaho , H. A. M. Leymann , D. Vorberg , A. Eckardt

By illuminating an individual rubidium atom stored in a tight optical tweezer with short resonant light pulses, we create an efficient triggered source of single photons with a well-defined polarization. The measured intensity correlation…

We study the electronic transport through a pair of distant nanosystems ($S_a$ and $S_b$) embedded in a single-mode cavity. Each system is connected to source and drain particle reservoirs and the electron-photon coupling is described by…

Mesoscale and Nanoscale Physics · Physics 2019-09-16 Valeriu Moldoveanu , Ion Viorel Dinu , Andrei Manolescu , Vidar Gudmundsson

We develop a theory of electron tunneling accompanied by carrier-carrier scattering in graphene - insulator - graphene heterostructures. Due to the dynamic screening of Coulomb interaction, the scattering-aided tunneling is resonantly…

Mesoscale and Nanoscale Physics · Physics 2017-09-29 V. Enaldiev , A. Bylinkin , D. Svintsov
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