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Photonics & Physics

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CRYPTOGRAPHY WITHOUT USING SECRET KEYS

WHITE PAINT AS AN UNCLONABLE KEY

Using a complex spatial pattern, the sender transmits light pulses to the receiver's key. These pulses consist of a smal…

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Weaving quantum processors out of laser light

Researchers open a new avenue to quantum computing with a breakthrough prototype: a large-scale quantum processor made entirely of light.

The new research, published in Science, produced a quantum processor made of laser light that has built-in scalability, …

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Shaping nanoparticles for improved quantum information technology

Breaking of rotational symmetry in ring-shaped nanoparticle leads to surprising quantum property when illuminated with laser.

These quantum rings are two-dimensional structures — crystalline materials composed of a few layers of atoms. The advant…

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New horizons for connecting future quantum computers into a quantum network

Conversion between signals in the microwave and optical domains is of great interest, particularly for connecting future…

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Little things add up: University of Illinois researchers achieve multiplexed single-photon generation with record-breaking efficiency

Deterministic emitters of single photons hold tremendous promise for advanced quantum information applications and could…

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3D Printing Technique Accelerates Nanoscale Fabrication a Thousandfold

Using a new time-based method to control light from an ultrafast laser, researchers have developed a nanoscale 3D printi…

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Light in a New Light

Creating Different Kinds of Light with Manipulable Quantum Properties

Making exciting advances in quantum metrology, the group is using sources of entangled photons to develop multiple quant…

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One small step for electrons, one giant leap for quantum computers

Transmitting the state of an electron back and forth across an array of qubits, without moving the position of electrons…

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Quantum observers may be entitled to their own facts

Science is based on facts that are established by independent observations agreed by everyone.

In an experiment involving six entangled light particles Proietti and colleagues showed that, under some assumptions, th…

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Stevens Team Closes In On “Holy Grail” of Room Temperature Quantum Computing Chips

Photons interact on chip-based system with unprecedented efficiency

The new method, reported as a memorandum in the Sept. 18 issue of Optica, works at very low energy levels, suggesting th…

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ColorChip Introduces an Ultra-Compact RGB Pico-Projector for SmartGlasses Applications Based on Its Proprietary ColorMux® SystemOnGlass™ PLC Platform

ColorChip introduces a breakthrough RGB Pico-Projector addressing the needs of ultra-compactness, device efficiency and …

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Entanglement sent over 50 km of optical fiber

For the first time, a distance of 50 kilometers was covered using fiber optic cables

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Stanford researchers design a light-trapping, color-converting crystal

A recipe for creating a microscopic crystal structure that can hold two wavelengths of light at once is a step toward faster telecommunications and quantum computers.

The team’s goal was to force the coexistence of the two laser beams using a photonic crystal cavity, which can focus lig…

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UofSC startup breaks ground in nano-optical manufacturing

Acquisition by giant photonics firm facilitates continued university-industry partnership

This past May the intellectual property developed by Crawford and his team was acquired by Thorlabs, one of the leading …

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RIT researchers help develop practical new method for measuring quantum entanglement

Technique can help advance quantum computing and secure communication technologies

Rochester Institute of Technology researchers have helped develop a new technique for quantifying entanglement that has …

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Researchers realize ultra-low loss and high performing silicon carbide nano photoelectric element

Silicon Carbide has not been widely used as the material for subminiature optical devices despite its excellent physical…

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"Qutrit": Complex quantum teleportation achieved for the first time

With this, the international research team has also made an important step towards practical applications such as a futu…

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World’s first link layer protocol brings quantum internet closer to a reality

The phenomenon of entanglement forms the basis of a quantum internet. When two fundamental particles are entangled, they…

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Study on attosecond timescale casts new light on electron dynamics in transition metals

Using ATAS, the researchers found an ultrafast modification of optical absorption in transition metals under an intense …

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Highly non-linear response in solids pulled out from high-order harmonic generation

The study published in Nature Communications is able to characterize high-order nonlinear susceptibilities in a crystal with the use of HHG, instrumental in signal manipulation for optoelectronics.

In their study, the team of researchers used sapphire crystal wafers for the experiment since this material acts as both…

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