Search results for continuous variable quantum

Analytical Chemistry Nov 4, 2020

Simple method to determine if nuts and dairy products contain poison

Scientists at the National Research Nuclear University MEPhI have come up with a simple, inexpensive and environmentally friendly method to determine if food contains toxic aflatoxin-B1. The findings will help ensure food ...

Optics & Photonics Oct 5, 2020

Squeezing light: Developing an integrated nanophotonic device to generate squeezed light

Scientists can generate squeezed light via strongly driven spontaneous four-wave mixing below threshold in silicon nitride microring resonators. The generated light can be characterized with homodyne detection (to extract ...

General Physics Sep 17, 2020

New calculation refines comparison of matter with antimatter

An international collaboration of theoretical physicists—including scientists from the U.S. Department of Energy's (DOE) Brookhaven National Laboratory (BNL) and the RIKEN-BNL Research Center (RBRC)—has published a new calculation ...

Quantum Physics Sep 8, 2020

Quantum light squeezes the noise out of microscopy signals

Researchers at the Department of Energy's Oak Ridge National Laboratory used quantum optics to advance state-of-the-art microscopy and illuminate a path to detecting material properties with greater sensitivity than is possible ...

Quantum Physics Jul 15, 2020

Rsearchers suggest modification of quantum encryption system with compact detector

A new system can significantly lower the production costs costs of mass quantum key distribution (QKD) networks, which will make them available to a wider user audience. This will make it possible to use QDK in the regular ...

Astronomy Jun 25, 2020

Calculate the number of alien civilizations in the Milky Way for yourself

In recent years, the explosive nature of exoplanet discovery (over 4,164 confirmed so far) has led to renewed interest in the timeless question: "Are we alone in the universe?" Or, as famed Italian physicist Enrico Fermi ...

Quantum Physics Jun 2, 2020

Connecting the quantum internet

Researchers at the Kastler Brossel Laboratory in Paris have succeeded in implementing a novel "hybrid" entanglement swapping protocol, bringing within reach the connection of disparate platforms in a future, heterogeneously ...

Optics & Photonics May 22, 2020

Researchers achieve broadest microcomb spectral span on record

Xu Yi, assistant professor of electrical and computer engineering at the University of Virginia, collaborated with Yun-Feng Xiao's group from Peking University and researchers at Caltech to achieve the broadest recorded spectral ...

Space Exploration Mar 20, 2020

Solar energy tracker powers down after 17 years

After nearly two decades, the Sun has set for NASA's SOlar Radiation and Climate Experiment (SORCE), a mission that continued and advanced the agency's 40-year record of measuring solar irradiance and studying its influence ...

Optics & Photonics Mar 20, 2020

Innovative new fabrication approach for reprogrammable photonic circuits

Modern society relies on technologies with electronic integrated circuits (IC) at their heart, but these may prove to be less suitable in future applications such as quantum computing and environmental sensing. Photonic integrated ...

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