Search results for optical refrigeration

Quantum Physics Feb 21, 2024

Electrons become fractions of themselves in graphene, study finds

The electron is the basic unit of electricity, as it carries a single negative charge. This is what we're taught in high school physics, and it is overwhelmingly the case in most materials in nature.

Optics & Photonics Feb 2, 2024

Progress on chip-based spontaneous four-wave mixing quantum light sources

A single-photon detector (SPD) is sensitive to incidence of individual quanta of light and has many applications in photonics, such as fluorescence measurements, laser ranging, optical time-domain reflectometer, and quantum ...

Space Exploration Oct 26, 2023

NASA's first two-way end-to-end laser communications system

NASA is demonstrating laser communications on multiple missions—showcasing the benefits infrared light can have for science and exploration missions transmitting terabytes of important data.

Space Exploration Aug 30, 2023

NASA to demonstrate laser communications from space station

NASA uses the International Space Station—a football field-sized spacecraft orbiting Earth—to learn more about living and working in space. For more than 20 years, the space station has provided a unique platform for ...

Optics & Photonics Jul 31, 2023

Telecom-band-integrated multimode photonic quantum-memory

Quantum memory that depends on quantum-band integration is a key building block used to develop quantum networks that are compatible with fiber communication infrastructures. Quantum engineers and IT specialists have yet ...

Optics & Photonics May 18, 2023

Wiring up quantum circuits with light

Quantum computers promise to solve challenging tasks in material science and cryptography that will remain out of reach even for the most powerful conventional supercomputers in the future. Yet, this will likely require millions ...

Nanophysics May 12, 2023

Harnessing machine learning to make nanosystems more energy efficient

Getting something for nothing doesn't work in physics. But it turns out that, by thinking like a strategic gamer, and with some help from a demon, improved energy efficiency for complex systems like data centers might be ...

Earth Sciences Apr 17, 2023

Methane from megafires: Novel detection technique raises pollution policy questions

Using a new detection method, UC Riverside scientists found a massive amount of methane, a super-potent greenhouse gas, coming from wildfires—a source not currently being accounted for by state air quality managers.

Biochemistry Mar 20, 2023

Can synthetic polymers replace the body's natural proteins?

Most life on Earth is based on polymers of 20 amino acids that have evolved into hundreds of thousands of different, highly specialized proteins. They catalyze reactions, form backbone and muscle and even generate movement.

Biotechnology Dec 9, 2022

Edible coating made from silk can extend shelf life of foods

The Silklab at Tufts University has pioneered the use of silk as a biological solution for many technological challenges. Just like the silk that goes into fine fabric, the silk used in the lab comes from the cocoons of silkworms, ...

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