Sentences with phrase «single photon source»

In particular, his group demonstrated the first quantum dot single photon source, the Purcell effect in quantum dot cavity - QED, and the use of photon correlation spectroscopy to understand quantum dot physics.

«By chemically modifying the nanotube surface to controllably introduce light - emitting defects, we have developed carbon nanotubes as a single photon source, working toward implementing defect - state quantum emitters operating at room temperature and demonstrating their function in technologically useful wavelengths,» said Stephen Doorn.

Hong - Ou - Mandel Interference with a Quantum Dot Single Photon Source and a Laser at Telecom Wavelength

«By chemically modifying the nanotube surface to controllably introduce light - emitting defects, we have developed carbon nanotubes as a single photon source, working toward implementing defect - state quantum emitters operating at room temperature and demonstrating their function in technologically useful wavelengths,» said Stephen Doorn, leader of the project at Los Alamos and a member of the Center for Integrated Nanotechnologies (CINT).

A highly directional single photon source could lead to a significant progress in producing compact, cheap, and efficient sources of quantum information bits for future quantum technological applications,» said Prof. Ronen Rapaport, of the Racah Institute of Physics, The Department of Applied Physics, and the Center of Nanoscience and Nanotechnology at the Hebrew University of Jerusalem.

Prof Frank Koppens (ICFO, Spain), leader of Work Package 8 — Optoelectronics and Photonics, adds «Electrically driven single photon sources are essential for many applications, and this first realisation with layered materials is a real milestone.

Not exact matches

A research group led by Junichi Isoya, professor emeritus, University of Tsukuba and Tokuyuki Teraji, principal researcher, Optical and Electronic Materials Unit, NIMS, has successfully fabricated for the first time in the world single - photon sources of SiV (silicon vacancy) centers — one of the color centers in diamond during the growth of thin film diamond, which have high purity and crystalline quality — by introducing them at extremely low concentrations.

«Scientists fabricate single - photon sources in solid matter.»

Single - photon sources allow secret keys to be sent with absolute security, as the laws of quantum mechanics say it is impossible to observe a photon without altering it.

Constructed of layers of atomically thin materials, including transition metal dichalcogenides (TMDs), graphene, and boron nitride, the ultra-thin LEDs showing all - electrical single photon generation could be excellent on - chip quantum light sources for a wide range of photonics applications for quantum communications and networks.

They measured the properties of photons from a single source — a beam of light — at two points and discovered a correlation between the two.

They allow researchers to prove that single - photon sources, another key element of many optical quantum information systems, reliably emit only one photon at a time.

The new light source could be further used to investigate how the quantum efficiency varies with wavelength, since it is easy to vary the wavelength of the generated single photons.

In contrast, the light source developed by Leonid Krivitsky and co-workers at the A * STAR Data Storage Institute and A * STAR Institute of Medical Biology is a truly single - photon source and hence eliminates the need to statistically analyze measurement results, thus enhancing measurement accuracy1.

Using a specially developed light source that generates single photons, a new A * STAR study finds that a rod cell has an almost one - in - three chance of detecting an incoming photon.

External sources of single photons are no longer needed at all, and the necessary number of quantum memories has dwindled to just one.

The quantum dots serve as a source of single photons and could be useful for the integration of quantum photonics with solid - state electronics — a combination known as integrated photonics.

Title: Dynamically unpolarized single - photon source in diamond with intrinsic randomness Authors: Naofumi Abe, Yasuyoshi Mitsumori, Mark Sadgrove, and Keiichi Edamatsu Journal: Scientific Reports （ Nature Publishing Group ） DOI: 10.1038 / srep46722

The first single - photon sources were invented in the 1970s, and even though the many types of them that exist today still have their many drawbacks, single photons can nevertheless be successfully used in quantum communication protocols that guarantee full confidentiality.

Unfortunately, every SPDC source generates single photons rather slowly and quite randomly.

Haase, A., Piro, N., Eschner, J. & Mitchell, M. W. (2007), A pair photon source for heralded single - photon - single - atom interaction.

With this technique, her team addresses key challenges for the scalability of optical quantum technologies, such as the fabrication of efficient sources of single or entangled photons and the development of efficient photon - photon gates.