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Related papers: Single-Photon Generation: Materials, Techniques, a…

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We study the multi-channel quantum routing of the single photons in a waveguide-emitter system. The channels are composed by the waveguides and are connected by intermediate two-level emitters. By adjusting the intermediate emitters, the…

Quantum Physics · Physics 2014-04-30 Wei-Bin Yan , Heng Fan

Room temperature single photon sources (SPS) are crucial for developing the next generation quantum technologies. Quantum dots (QDs), recently, have been reported as promising materials as SPS at room temperature. By optimizing the single…

Chemical Physics · Physics 2025-06-09 Kush Kaushik , Jiban Mondal , Ritesh Kumar Bag , Shagun Sharma , Abdul Salam , Chayan Kanti Nandi

The scattering between light and individual saturable quantum emitters can induce strong optical nonlinearities and correlations between individual light quanta. Typically, this leads to an effective attraction that can generate exotic…

Quantum Physics · Physics 2022-04-04 Ole A. Iversen , Thomas Pohl

Single photon sources based on spontaneous photon-pair generation have enabled pioneering experiments in quantum optics. However, their non-determinism presents a bottleneck to scaling up photonic and hybrid quantum-enhanced technologies.…

Quantum Physics · Physics 2016-03-22 Robert J. A. Francis-Jones , Rowan A. Hoggarth , Peter J. Mosley

A fundamental building block for on-chip quantum photonics is a single-photon source with high repetition rates, which can enable many applications such as high-speed quantum communication and quantum information processing. Ideally, such…

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

We describe a practical implementation of a (semi-deterministic) photon gun based on stimulated Raman adiabatic passage pumping and the strong enhancement of the photonic density of states in a photonic band-gap material. We show that this…

We create and isolate single-photon emitters with a high brightness approaching $10^5$ counts per second in commercial silicon-on-insulator (SOI) wafers. The emission occurs in the infrared spectral range with a spectrally narrow zero…

Applied Physics · Physics 2020-08-24 M. Hollenbach , Y. Berencén , U. Kentsch , M. Helm , G. V. Astakhov

We discuss the application of dipole blockade techniques for the preparation of single atom and single photon sources. A deterministic protocol is given for loading a single atom in an optical trap as well as ejecting a controlled number of…

Quantum Physics · Physics 2011-07-19 M. Saffman , T. G. Walker

The possibility to generate and manipulate non-classical light using the tools of mature semiconductor technology carries great promise for the implementation of quantum communication science. This is indeed one of the main driving forces…

Quantum Physics · Physics 2015-03-03 Rinaldo Trotta , Armando Rastelli

Control of single photon wave-packets is an important resource for developing hybrid quantum systems which are composed of different physical systems interacting via photons. Here we extend this control to triggered photons emitted by a…

Quantum Physics · Physics 2011-05-25 Matthew T. Rakher , Kartik Srinivasan

Non-classical light sources offer a myriad of possibilities in fundamental science and applications including quantum cryptography and quantum lithography. Single photons can encode quantum information and multi-qubit gates in silica…

We develop methods to find the limits to finite-time single photon extraction from emitter-cavity systems. We first establish analytic upper and lower bounds on the maximum extraction probability from a canonical $\Lambda$-system before…

Quantum Physics · Physics 2024-06-17 William J. Hughes , Joseph F. Goodwin , Peter Horak

We realize a deterministic single-photon source from one and the same calcium ion interacting with a high-finesse optical cavity. Photons are created in the cavity with efficiency (88 +- 17)%, a tenfold improvement over previous cavity-ion…

Quantum Physics · Physics 2015-05-13 H G Barros , A Stute , T E Northup , C Russo , P O Schmidt , R Blatt

Integrated photonic circuits provide a versatile toolbox of functionalities for advanced quantum optics applications. Here, we demonstrate an essential component of such a system in the form of a Purcell enhanced single-photon source based…

Mesoscale and Nanoscale Physics · Physics 2020-09-11 Łukasz Dusanowski , Dominik Köck , Eunso Shin , Soon-Hong Kwon , Christian Schneider , Sven Höfling

The scaling up of quantum hardware is the fundamental challenge ahead in order to realize the disruptive potential of quantum technology in information science. Among the plethora of hardware platforms, photonics stands out by offering a…

Quantum Physics · Physics 2021-10-22 Ravitej Uppu , Leonardo Midolo , Xiaoyan Zhou , Jacques Carolan , Peter Lodahl

Single quantum dots are solid-state emitters which mimic two-level atoms but with a highly enhanced spontaneous emission rate. A single quantum dot is the basis for a potentially excellent single photon source. One outstanding problem is…

An efficient, scalable source of shaped single photons that can be directly integrated with optical fiber networks and quantum memories is at the heart of many protocols in quantum information science. We demonstrate a deterministic source…

As typically implemented, single photon sources cannot be made to produce single photons with high probability, while simultaneously suppressing the probability of yielding two or more photons. Because of this, single photon sources cannot…

Quantum Physics · Physics 2009-11-07 A. L. Migdall , D. Branning , S. Castelletto , M. Ware

We report on a single photon source with highly tunable photon shape based on a cold ensemble of Rubidium atoms. We follow the DLCZ scheme to implement an emissive quantum memory, which can be operated as a photon pair source with…

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