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Optics & Photonics 4 hours ago

Thinking outside the box: 'Seeing' clearer and deeper into live organs

Scientists using a unique approach have developed a new biomedical imaging contrast agent. They say the breakthrough overcomes a major challenge to "seeing" deeper into live tissue, and opens the way for significant improvements ...

Optics & Photonics May 14, 2019

Generating high-quality single photons for quantum computing

MIT researchers have designed a way to generate, at room temperature, more single photons for carrying quantum information. The design, they say, holds promise for the development of practical quantum computers.

Nanomaterials Apr 24, 2019

Scientists discover coal-derived 'dots' are effective antioxidant

Graphene quantum dots drawn from common coal may be the basis for an effective antioxidant for people who suffer traumatic brain injuries, strokes or heart attacks.

Quantum Physics May 02, 2019

Phonon-mediated quantum state transfer and remote qubit entanglement

Quantum information platforms are based on qubits that talk to each other and photons (optical and microwave) are the carrier of choice—to date, to transfer quantum states between qubits. However, in some solid-state systems, ...

Quantum Physics May 13, 2019

Quantum world-first—researchers reveal accuracy of two-qubit calculations in silicon

For the first time ever, researchers have measured the fidelity—that is, the accuracy—of two-qubit logic operations in silicon, with highly promising results that will enable scaling up to a full-scale quantum processor.

Nanophysics Mar 15, 2019

Nanocrystal 'factory' could revolutionize quantum dot manufacturing

North Carolina State University researchers have developed a microfluidic system for synthesizing perovskite quantum dots across the entire spectrum of visible light. The system drastically reduces manufacturing costs, can ...

Quantum Physics Feb 21, 2019

Quantum dots can spit out clone-like photons

In the global quest to develop practical computing and communications devices based on the principles of quantum physics, one potentially useful component has proved elusive: a source of individual particles of light with ...

Nanomaterials Apr 12, 2019

Lab develops quantum dot polymer for next-gen screens

U.S. Naval Research Laboratory scientists have developed and patented the fabrication of transparent, luminescent material they say could give smartphone and television screens flexible, stretchable, and shatterproof properties.

Nanomaterials Mar 07, 2019

Graphene quantum dots for single electron transistors

Scientists from the Higher School of Economics, Manchester University, the Ulsan National Institute of Science & Technology and the Korea Institute of Science and Technology have developed a novel technology that combines ...

Quantum Physics Feb 21, 2019

Physicists get thousands of semiconductor nuclei to do 'quantum dances' in unison

A team of Cambridge researchers have found a way to control the sea of nuclei in semiconductor quantum dots so they can operate as a quantum memory device.

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