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We demonstrate and evaluate an on-demand source of single itinerant microwave photons. Photons are generated using a highly coherent, fixed-frequency qubit-cavity system, and a protocol where the microwave control field is far detuned from…

Quantum Physics · Physics 2016-03-23 William F. Kindel , M. D. Schroer , K. W. Lehnert

We demonstrate Purcell-like enhancement of Rayleigh scattering into a single optical mode of a Fabry-Perot resonator for several thermal atomic and molecular gases. The light is detuned by more than an octave, in this case by hundreds of…

Quantum Physics · Physics 2010-06-14 Michael Motsch , Martin Zeppenfeld , Pepijn W. H. Pinkse , Gerhard Rempe

Rate of single-photon generation by quantum emitters (QEs) can be enhanced by placing a QE inside a resonant structure. This structure can represent an all-dielectric micro-resonator or waveguide and thus be characterized by ultra-low loss…

Mesoscale and Nanoscale Physics · Physics 2017-01-25 Sergey I. Bozhevolnyi , Jacob B. Khurgin

In this work we investigate the probabilities of detecting single- and multi-photon coherent states on InGaAs/InP sine-gated and free-run single-photon avalanche diodes. As a result, we conclude that multi-photon state detection cannot be…

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…

Atomic Physics · Physics 2025-03-25 T. Olney , V. Naniyil , V. Boyer , J. Goldwin , A. B. Deb

We study the use of detection devices in entanglement-based state preparation. In particular we consider optical detection devices such as single-photon sensitivity detectors, single-photon resolution detectors and detector cascades (with…

Quantum Physics · Physics 2009-10-31 Pieter Kok , Samuel L. Braunstein

We propose a scheme for generating a high-purity single photon on the basis of cavity quantum electrodynamics (QED). This scheme employs a four-level system including two excited states, two ground states, and two driving lasers; this…

Quantum Physics · Physics 2025-03-12 Seigo Kikura , Rui Asaoka , Masato Koashi , Yuuki Tokunaga

A fundamental issue that limits the efficiency of many photoelectrochemical systems is that the photon absorption length is typically much longer than the electron diffusion length. Various photon management schemes have been developed to…

Silicon-based photonic biosensors, such as microring resonators and Mach-Zehnder interferometers, offer significant potential for the detection of analytes at low concentrations. To enhance response time and improve the limit of detection…

Optics · Physics 2024-07-01 Anders Henriksson , Peter Neubauer , Mario Birkholz

Electromagnetic response of dielectric resonators with high refractive index is governed by optically induced electric and magnetic Mie resonances facilitating confinement of light with the amplitude enhancement. However, strong…

Cavity optomechanics is showing promise for studying quantum mechanics in large systems. However, smallness of the radiation-pressure coupling is a serious hindrance. Here we show how the charge tuning of the Josephson inductance in a…

Mesoscale and Nanoscale Physics · Physics 2014-05-30 Tero T. Heikkilä , Francesco Massel , Jani Tuorila , Raphaël Khan , Mika A. Sillanpää

Coupling electromagnetic waves in a cavity and mechanical vibrations via the radiation pressure of the photons [1,2] is a promising platform for investigations of quantum mechanical properties of motion of macroscopic bodies and thereby the…

Mesoscale and Nanoscale Physics · Physics 2015-10-16 J. -M. Pirkkalainen , S. U. Cho , F. Massel , J. Tuorila , T. T. Heikkila , P. J. Hakonen , M. A. Sillanpaa

Measurements of double photoelectron emission (DPE) probabilities as a function of wavelength are reported for Hamamatsu R8778, R8520, and R11410 VUV-sensitive photomultiplier tubes (PMTs). In DPE, a single photon strikes the PMT…

Instrumentation and Detectors · Physics 2015-09-30 C. H. Faham , V. M. Gehman , A. Currie , A. Dobi , P. Sorensen , R. J. Gaitskell

We demonstrate the emission of photons from a single molecule into a hybrid gap plasmon waveguide (HGPW). Crystals of anthracene, doped with dibenzoterrylene (DBT), are grown on top of the waveguides. We investigate a single DBT molecule…

We study controllable single photon scattering in a one-dimensional waveguide coupling with an additional cavity by second order nonlinear materials in a non-cascading configuration, where the additional cavity is embedded with two-level…

Optics · Physics 2020-07-15 Hongyu Lin , Xiaoqian Wang , Zhihai Yao , Dandan Zou

Recent experiments have demonstrated an open system realization of the Dicke quantum phase transition in the motional degrees of freedom of an optically driven Bose-Einstein condensate in a cavity. Relevant collective excitations of this…

Quantum Physics · Physics 2016-08-14 B. Öztop , M. Bordyuh , Ö. E. Müstecaplıoğlu , H. E. Türeci

One of the main steps towards large-scale quantum photonics consists of the integration of single photon sources (SPS) with photonic integrated circuits (PICs). For that purpose, the PICs should offer an efficient light coupling and a high…

Applied Physics · Physics 2021-03-03 J. Guimbao , L. M. Weituschat , J. M. Llorens , P. A. Postigo

We present a microscope paradigm that performs differential interference imaging with high sensitivity via optical amplification and radio-frequency (RF) heterodyne detection. This method, termed differentially-enhanced sideband imaging via…

Optics · Physics 2015-03-26 A. M. Fard , A. Mahjoubfar , B. Jalali

Excitons in atomically-thin semiconductors interact very strongly with electromagnetic radiation and are necessarily close to a surface. Here, we exploit the deep-subwavelength confinement of surface plasmon polaritons (SPPs) at the edge of…

We present new results on cavity-photon-assisted electron transport through two lateral quantum dots embedded in a finite quantum wire. The double quantum dot system is weakly connected to two leads and strongly coupled to a single…

Mesoscale and Nanoscale Physics · Physics 2014-09-17 Nzar Rauf Abdullah , Chi-Shung Tang , Andrei Manolescu , Vidar Gudmundsson
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