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Strong interactions between photons mediated by a single atom

Physicists at the Max Planck Institute of Quantum Optics in Garching observe strong interactions between photons of different color in an atom cavity system.

Making use of a single atom in an optical cavity, they observed two regimes in which the fields either block each other …

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The photoelectric effect in stereo

Using attosecond laser pulses they were able to measure a tiny time difference in the ejection of the electron from a mo…

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Laser bursts generate electricity faster than any other method

The glass-like material is transformed ever so briefly into something akin to a metal. And the laser generates a burst o…

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PolyU develops novel Micro-embossing Equipment for Precision Optical Microstructures

The Hong Kong Polytechnic University has developed a novel micro-embossing equipment for manufacturing precision glass l…

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Squeezing light at the nanoscale

Ultra-confined light could detect harmful molecules

The researchers built nano-discs — the smallest about 50 nanometers high and 200 nanometers wide — made of two-dimension…

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Tracking down the mystery of entangled particles of light

To change the quantum state of the photons, the researchers made use of techniques which are usually applied for the sha…

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Tackling the 12 ‘Herculean tasks’ of quantum optics

How many bits of information can be loaded on a single photon? Will doughnut-shaped pulses of light one day provide nove…

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Delft scientists make first ‘on demand’ entanglement link

Researchers at QuTech in Delft have succeeded in generating quantum entanglement between two quantum chips faster than t…

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Exact Optical Frequencies on Demand

Caltech's "fine-toothed" optical comb contributes to a fomenting technological revolution

The Caltech frequency comb relies on finely constructed optical resonators—basically, circular racetracks for trapped ph…

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Transferring quantum information using sound

How can quantum information be transferred from one atom to another? A team of researchers from TU Wien and Harvard University has proposed using phonons – the quanta of sound.

A team of researchers from TU Wien and Harvard University has found a new way to transfer the necessary quantum informat…

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Spooky Quantum Particle Pairs Fly Like Weird Curveballs

In the new study, the researchers even predicted that the particles can act like different quantum balls called bosons t…

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Researchers devise new way to make light interact with matter

Reducing the wavelength of light could allow it to be absorbed or emitted by a semiconductor, study suggests.

The fundamental principle behind the new approach is a way to get the momentum of light particles, called photons, to mo…

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Scientists Observe Stronger-than-Binary Correlations with Entangled Photonic Qutrits

In Experiment, they distributed the two photons entangled in three dimensions to two laboratories 8 meters apart and mea…

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The right squeeze for quantum computing

They developed a theoretical model that uses both the properties of quantum bits and the modes of the electromagnetic fi…

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The straight path to absolute darkness

They discovered for the first time ever how the amount of omnipresent light noise depends on the size of any nanostructu…

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Physicists at FAU generate attosecond electron pulses with laser light

Processes in the atomic microcosmos are revealed

They used optical travelling waves that are formed by laser pulses of varying wavelengths. The movements of electrons in…

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Columbia Researchers Squeeze Light into Nanoscale Devices and Circuits

Team is first to directly image propagation and dynamics of graphene plasmons at very low temperatures; findings could impact optical communications and signal processing

The Columbia researchers developed a practical approach to confining light to the nanoscale. They knew they could form p…

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Physicists’ Room-Temperature Research Leads to ‘Exciting’ Possibilities for Science

This work may lead to the development of new optoelectronic devices based on excitons

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Group of Brazilian researchers achieves almost instant magnetization of matter by light

In an experiment described in Physical Review Letters, a single photon aligned the spins of 6,000 electrons in only 50 picoseconds. The result offers prospects for technological applications in the electronic component industry

This happens because when a photon interacts with an electron, it changes a state that is strongly located in the

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Switching with molecules

Molecular switch will facilitate the development of pioneering electro-optical devices

The researchers used the fragment to direct laser light to the molecule and measure tiny spectroscopic signals that vary…

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