News tagged with quantum physics

A new model for quantum noise

The National Physical Laboratory (NPL) has published research in Nature Communications that updates one of the most fundamental concepts in the physics of quantum electronic devices - the standard tunnel ...

dateJun 18, 2014 in Quantum Physics
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Strange physics turns off laser

Inspired by anomalies that arise in certain mathematical equations, researchers have demonstrated a laser system that paradoxically turns off when more power is added rather than becoming continuously brighter.

dateJun 17, 2014 in Optics & Photonics
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Quantum cryptography for mobile phones

Secure mobile communications underpin our society and through mobile phones, tablets and laptops we have become online consumers. The security of mobile transactions is obscure to most people but is absolutely essential if ...

dateApr 03, 2014 in Quantum Physics
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Diamond defect boosts quantum technology

New research shows that a remarkable defect in synthetic diamond produced by chemical vapor deposition allows researchers to measure, witness, and potentially manipulate electrons in a manner that could lead ...

dateFeb 04, 2014 in Quantum Physics
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NSA pursues quantum technology

In this month's issue of Physics World, Jon Cartwright explains how the revelation that the US National Security Agency (NSA) is developing quantum computers has renewed interest and sparked debate on just how far ahead ...

dateJan 31, 2014 in Quantum Physics
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