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Photonics & Physics

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Developing reliable quantum computers

International research team makes important step on the path to solving certification problems

Their example of a difficult certification problem is sorting a defined number of photons after they have gone through a…

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High-energy photons from 2D materials

In this strong-field phenomenon, many low-energy photons emitted by a very strong laser are converted to fewer photons, …

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Basque researchers turn light upside down

To see how the waves propagate along the metasurface, the researchers used a state-of the-art infrared nanoimaging techn…

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New quantum memory stores information for hours

Storing information in a quantum memory system is a difficult challenge, as the data is usually quickly lost. At TU Wien, ultra-long storage times have now been achieved using tiny diamonds.

For the first time, scientists at the Institute of Atomic and Subatomic Physics at TU Wien have now been able to experim…

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Programming on a silicon quantum chip

The scientists focus on qubits in silicon chips. These qubits are created by

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Many colours from a single dot

Their results, which were published in the nano- and microphysics journal Small, show that the particles under considera…

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MEMS chips get metatlenses

Combining metasurface lenses with MEMS technology could add high-speed scanning and enhance focusing capability of optical systems.

A new lens technology that could be produced using standard computer-chip technology is emerging and could replace the b…

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Major discovery in controlling quantum states of single atoms

Their findings, published in the journal Science Advances, show that the loss in quantum state superposition is mainly c…

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TECHSPEC® λ/20 UV Fused Silica Right Angle Prisms tailored for precision laser applications

UV Fused silica substrate offers extended range deep into the UV

They are ideal for beam steering, retroreflection, or any application where low wavefront error is critical to system pe…

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Unconventional superconductor may be used to create quantum computers of the future

To create their unconventional superconductor they started with what is called a topological insulator made of bismuth t…

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Physicists create new form of light

Newly observed optical state could enable quantum computing with photons.

In a paper published today in the journal Science, the team, led by Vladan Vuletic, the Lester Wolfe Professor of Physic…

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Fingerprints of quantum entanglement

One of the main challenges is to make sure that a fully functional quantum computer is working as anticipated. In partic…

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Ultra-sensitive Optomechanical Device at room temperature

An ICFO study has developed an optomechanical device with the lowest thermal force noise levels ever, only attainable so far under cryogenic conditions.

In a recent study published in Nature Communications, ICFO researchers report on a novel optomechanical device with the …

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Research breakthrough could herald significantly faster internet speeds

The team has developed a custom, artificial material that could improve several nonlinear optical applications, includin…

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Better together: Silicon qubits plus light add up to new quantum computing capability

A silicon-based quantum computing device could be closer than ever due to a new experimental device that demonstrates th…

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New hole-punched crystal clears a path for quantum light

PHOTONIC CHIP GUIDES SINGLE PHOTONS, EVEN WHEN THERE ARE BENDS IN THE ROAD.

The chip starts with a photonic crystal, which is an established, versatile technology used to create roadways for light…

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FIBRE-OPTICAL TELECOMMUNICATIONS HELPING SCIENTISTS PEER INTO DEEP SPACE

The research, published in the high-impact journal Optica, shows the successful transmission of a stable frequency refer…

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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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