Search results for continuous variable quantum

Quantum Physics May 29, 2019

Secure metropolitan quantum networks move a step closer

Successful new field tests of a continuous-variable quantum key distribution (CV-QKD) system over commercial fiber networks could pave the way to its use in metropolitan areas.

Quantum Physics May 25, 2015

Team finds the 'key' to quantum network solution

Scientists at the University of York's Centre for Quantum Technology have made an important step in establishing scalable and secure high rate quantum networks.

Optics & Photonics Sep 27, 2022

Quantum technology reaches unprecedented control over captured light

Researchers in quantum technology at Chalmers University of Technology have succeeded in developing a technique to control quantum states of light in a three-dimensional cavity. In addition to creating previously known states, ...

Optics & Photonics Oct 31, 2019

Researchers create quantum chip 1,000 times smaller than current setups

Researchers at Nanyang Technological University, Singapore (NTU Singapore) have developed a quantum communication chip that is 1,000 times smaller than current quantum setups, but offers the same superior security quantum ...

Quantum Physics Dec 14, 2016

The quantum computers of the future will work equally well with encrypted and unencrypted inputs

When future users of quantum computers need to analyze their data or run quantum algorithms, they will often have to send encrypted information to the computer.

General Physics Mar 8, 2021

Xanadu announces programmable photonic quantum chip able to execute multiple algorithms

A team of researchers and engineers at Canadian company Xanadu Quantum Technologies Inc., working with the National Institute of Standards and Technology in the U.S., has developed a programmable, scalable photonic quantum ...

Quantum Physics Jun 4, 2018

Compact 3-D quantum memory addresses long-standing tradeoff

Physicists have designed a 3-D quantum memory that addresses the tradeoff between achieving long storage times and fast readout times, while at the same time maintaining a compact form. The new memory has potential applications ...

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 ...

Quantum Physics Jun 20, 2018

Quantum step forward in protecting communications from hackers

Researchers at the University of York have shown that a new quantum-based procedure for distributing secure information along communication lines could be successful in preventing serious security breaches.

Optics & Photonics May 29, 2019

On-demand, photonic entanglement synthesizer

Quantum information protocols are based on a variety of entanglement modes such as Einstein-Podolsky-Rosen (EPR), Greenberger-Horne-Zeilinger (GHZ) and other cluster states. For on-demand preparation, these states can be ...

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