Doubling the quantum information space of commercial technologies, this new chip is better suited for real-world application — ScienceDaily

Researchers at Penn Engineering have created a chip that outstrips the security and robustness of existing quantum communications hardware. Their technology communicates in “qudits,” doubling the quantum information space of…

New device opens the doors to applications in communication, quantum computing, astronomy — ScienceDaily

Femtosecond pulsed lasers — which emit light in ultrafast bursts lasting a millionth of a billionth of a second — are powerful tools used in a range of applications from…

Optical foundations illuminated by quantum light — ScienceDaily

Optics, the study of light, is one of the oldest fields in physics and has never ceased to surprise researchers. Although the classical description of light as a wave phenomenon…

A roadmap for the future of quantum simulation — ScienceDaily

A roadmap for the future direction of quantum simulation has been set out in a paper co-authored at the University of Strathclyde. Quantum computers are hugely powerful devices with a…

Magnetic quantum material broadens platform for probing next-gen information technologies — ScienceDaily

Scientists at the Department of Energy’s Oak Ridge National Laboratory used neutron scattering to determine whether a specific material’s atomic structure could host a novel state of matter called a…

Breakthrough in experimental quantum cryptography — ScienceDaily

A method known as quantum key distribution has long held the promise of communication security unattainable in conventional cryptography. An international team of scientists has now demonstrated experimentally, for the…

Running a quantum system backward, then forward in time distinguishes information leaks from the desired information scrambling — ScienceDaily

Research drawing on the quantum “anti-butterfly effect” solves a longstanding experimental problem in physics and establishes a method for benchmarking the performance of quantum computers. “Using the simple, robust protocol…

Quantum computer programming basics — ScienceDaily

For would-be quantum programmers scratching their heads over how to jump into the game as quantum computers proliferate and become publicly accessible, a new beginner’s guide provides a thorough introduction…

Going gentle on mechanical quantum systems — ScienceDaily

Systems in which mechanical motion is controlled at the level of individual quanta are emerging as a promising quantum-​technology platform. New experimental work now establishes how quantum properties of such…

Quantum physics is right — ScienceDaily

The double-slit experiment is the most famous and probably the most important experiment in quantum physics: individual particles are shot at a wall with two openings, behind which a detector…