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Interference as a new method for cooling quantum devices

Theoretical physicists propose to use negative interference to control heat flow in quantum devices. Study published in Physical Review Letters

A new method for cooling down the elements of quantum devices such as qubits, the tiny building blocks of quantum comput…

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Forging a quantum leap in quantum communication

Scientists introduce a technique that speeds up quantum information processing nearly a million times

In their work, the researchers replace the electrical nonlinearity that serves as the heart of homodyne detection, which…

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Metasurfaces enable improved optical lens performance

Penn State engineers have developed a new theory that solves the problem using a single thin lens comprised of gradient …

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New silicon chip for helping build quantum computers and securing our information

Now, researchers at the University of Bristol have made a breakthrough for silicon quantum photonics — they have develop…

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Scientists realize breakthrough in controlling the transmission of light

The new technology has potential uses in consumer communication systems, laser devices, automotive technology, and more

The team anticipates the findings may find use in a variety of technologies, including consumer electronics, surgical la…

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Rockley Photonics and Hengtong Optic-Electric form joint venture

Joint venture products to serve worldwide networks with advanced technology for optics/electronics manufacturing delivering low-power and superior economics

The JV will manufacture and sell silicon photonics optical modules to meet the burgeoning market for high-speed data com…

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Light controls two-atom quantum computation

MPQ scientists realize mathematical operations with a quantum gate between two trapped atoms that is mediated by photons.

To execute the gate, single photons are sent onto the semi-transparent mirror. Then, depending on the initial states of …

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Theoretical physicists at UNM manipulate light with nanoscale objects

Results advance understanding of periodic arrays in nanostructures

The overarching goal of the research was to open and further new paths in plasmonics, a field of research that focuses o…

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Lightmatter to Accelerate AI Development with First-of-its-Kind Chip Powered by Light

Company closes $11 million Series A from Matrix Partners and Spark Capital to bring revolutionary chip to market

Through patented technology developed at MIT, Lightmatter has created a silicon chip that uses light signals, rather tha…

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New controls scale quantum chips

We've developed a technique that enables us to reduce interference between qubits as we add more and more qubits to a ch…

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Optical Atomic Clocks with Perfect Excitation

Scientists from PTB present a perturbation-free laser pulse scheme for precision measurements on atoms

In essence, the first pulse triggers an oscillation between the atomic states. The second pulse serves to check whether …

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Quantum 'hack' to unleash computing power

Modifying surface codes can improve error correction 400 percent

The theoretical breakthrough from the team of David Tuckett, Professor Stephen Bartlett and Associate Professor Steven F…

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Researchers Boost Efficiency and Stability of Optical Rectennas

Optical rectennas operate by coupling the light’s electromagnetic field to an antenna, in this case an array of multiwal…

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New technique can capture images of ultrafast energy-time entangled photon pairs

To capture one of the shortest quantum events possible, the researchers used a technique known as optical gating. Simil…

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Stanford researchers discover a new way of generating ultra-short bursts of light

A close relative of the laser has been confined to the lab due to its finicky nature, but a recent discovery may now bring the technology into a range of applications from health care to environmental science.

The light source these researchers study consists of an initial step where pulses of light from a traditional laser are …

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Changing the color of light

An integrated metasurface converts colors of light over broadband inside a waveguide

Researchers have developed a system to convert one wavelength of light into another without the need to phase match. The…

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USTC Firstly Achieve A Practical Heisenberg-limited Quantum Metrology

As a new field of quantum information, quantum metrology aims to realize better precision beyond classical methods with …

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Mysteries of Nickel Oxide – a Promising Spintronic Material – Are Revealed

UC Riverside team determines how electron spins interact with crystal lattice in nickel oxide

The team was able to accomplish this task by using Raman spectroscopy with an ultraviolet laser, instead of conventional…

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Penn Engineering Research Gives Optical Switches the ‘Contrast’ of Electronic Transistors

In a paper published in Nature Communications, the researchers have taken an important step: precisely controlling the m…

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A New Architecture for Miniaturization of Atomic Clocks Exploiting a Piezoelectric-Thin-Film Vibration

From a rack-mount system toward a microchip

Transferring this technology to practical applications will make it possible to incorporate the atomic clock into smartp…

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