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Related papers: Phonon-tuned bright single-photon source

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Solid-state emitters such as epitaxial quantum dots have emerged as a leading platform for efficient, on-demand sources of indistinguishable photons, a key resource for many optical quantum technologies. To maximise performance, these…

Quantum Physics · Physics 2024-05-09 Alistair J. Brash , Jake Iles-Smith

Quantum cryptography harnesses quantum light, in particular single photons, to provide security guarantees that cannot be reached by classical means. For each cryptographic task, the security feature of interest is directly related to the…

We have developed a microcavity single-photon source based on a single quantum dot within a planar cavity in which wet-oxidation of a high-aluminium content layer provides lateral confinement of both the photonic mode and the injection…

Other Condensed Matter · Physics 2009-11-13 D. J. P. Ellis , A. J. Bennett , A. J. Shields , P. Atkinson , D. A. Ritchie

Within optical quantum information processing, single-photon sources based on a two-level system in a semiconductor material allow for on-demand generation of single photons. To initiate the spontaneous emission process, it is necessary to…

Embedding semiconductor quantum dots into bullseye resonators has significantly advanced the development of bright telecom quantum light sources for fiber-based quantum networks. To further improve the device flexibility and stability, the…

Single photon sources based on semiconductor quantum dots offer distinct advantages for quantum information, including a scalable solid-state platform, ultrabrightness, and interconnectivity with matter qubits. A key prerequisite for their…

We report on multi-photon statistics of correlated twin beams produced in a periodic poled micro-ring resonator on thin-film lithium niobate. Owing to high cavity confinement and near perfect quasi-phase matching, the photons pairs are…

Quantum Physics · Physics 2023-09-28 Zhaohui Ma , Jia-Yang Chen , Malvika Garikapati , Zhan Li , Chao Tang , Yong Meng Sua , Yu-Ping Huang

We propose a single photon source based on a pair of weakly nonlinear optical cavities subject to a one-directional dissipative coupling. When both cavities are driven by mutually coherent fields, sub-poissonian light is generated in the…

Quantum Physics · Physics 2016-07-11 H. Flayac , V. Savona

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…

On-chip single-photon sources are key components for integrated photonic quantum technologies. Semiconductor quantum dots can exhibit near-ideal single-photon emission but this can be significantly degraded in on-chip geometries owing to…

Integration of solid state quantum emitters into nanophotonic circuits is a critical step towards fully on-chip quantum photonic based technologies. Among potential materials platforms, quantum emitters in hexagonal boron nitride have…

Single-photon sources are of great interest because they are key elements in different promising applications of quantum technologies. Here we demonstrate a highly efficient tunable on-demand microwave single-photon source based on a…

Quantum Physics · Physics 2020-03-11 Yu Zhou , Zhihui Peng , Yuta Horiuchi , O. V. Astafiev , J. S. Tsai

Motivated by developments in quantum information science, much recent effort has been directed toward coupling individual quantum emitters to optical microcavities. Such systems can be used to produce single photons on demand, enable…

Quantum Physics · Physics 2009-03-30 Murray W. McCutcheon , Darrick E. Chang , Yinan Zhang , Mikhail D. Lukin , Marko Loncar

The generation of high-quality entangled photon pairs has been being a long-sought goal in modern quantum communication and computation. To date, the most widely-used entangled photon pairs are generated from spontaneous parametric…

Resonant excitation of atoms and ions in macroscopic cavities has lead to exceptional control over quanta of light. Translating these advantages into the solid state with emitters in microcavities promises revolutionary quantum technologies…

We analyze a nitrogen-vacancy (NV^-) colour centre based single photon source based on cavity Purcell enhancement of the zero phonon line and suppression of other transitions. Optimal performance conditions of the cavity-centre system are…

Quantum Physics · Physics 2009-11-13 Chun-Hsu Su , Andrew D. Greentree , Lloyd C. L. Hollenberg

For a single semiconductor quantum dot embedded in a microcavity, we theoretically and experimentally investigate phonon-assisted transitions between excitons and the cavity mode. Within the framework of the independent boson model we find…

Mesoscale and Nanoscale Physics · Physics 2009-12-21 Ulrich Hohenester , Arne Laucht , Michael Kaniber , Norman Hauke , Abbas Mohtashami , Marek Seliger , Jonathan J. Finley

The unrivaled maturity of its nanofabrication makes silicon a promising hardware platform for quantum information processing. To this end, efficient single-photon sources and spin-photon interfaces have been implemented by integrating color…

Quantum Physics · Physics 2026-01-21 Johannes Früh , Fabian Salamon , Andreas Gritsch , Alexander Ulanowski , Andreas Reiserer

Using femtosecond pump-probe spectroscopy with pulse shaping techniques, one can generate and detect coherent phonons in chirality-specific semiconducting single-walled carbon nanotubes. The signals are resonantly enhanced when the pump…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 G. D. Sanders , C. J. Stanton , J. -H. Kim , K. -J. Yee , Y. -S. Lim , E. H. Haroz , L. G. Booshehri , J. Kono , R. Saito

While integrated photonics is a robust platform for quantum information processing, architectures for photonic quantum computing place stringent demands on high quality information carriers. Sources of single photons that are highly…

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