News tagged with quantum network

Efficient and tunable interface for quantum networks

(Phys.org) -- Quantum computers may someday revolutionize the information world. But in order for quantum computers at distant locations to communicate with one another, they have to be linked together in ...

Physics / Quantum Physics

created May 23, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Atomic clock comparison via data highways

(Phys.org) -- Optical atomic clocks measure time with unprecedented accuracy. However, it is the ability to compare clocks with one another that makes them applicable for high-precision tests in fundamental ...

Physics / General Physics

created Apr 27, 2012 | popularity not rated yet | comments 3 | with audio podcast

Quantum internet: Physicists build first elementary quantum network

(Phys.org) -- A team of scientists at the Max Planck Institute of Quantum Optics realizes a first elementary quantum network based on interfaces between single atoms and photons.

Physics / Quantum Physics

created Apr 11, 2012 | popularity 5 / 5 (22) | comments 2 | with audio podcast

Fast photon control brings quantum photonic technologies closer

(PhysOrg.com) -- Using photons instead of electrons to transmit information could lead to faster and more secure ways to communicate, among other advantages. Now a team of physicists has taken another step toward realizing ...

Physics / Optics & Photonics

created Feb 13, 2012 | popularity 5 / 5 (9) | comments 2 | with audio podcast feature

Swiss scientists prove durability of quantum network

Scientists and engineers have proven the worth of quantum cryptography in telecommunication networks by demonstrating its long-term effectiveness in a real-time network.

Physics / General Physics

created Dec 01, 2011 | popularity 5 / 5 (5) | comments 2 | with audio podcast

Progress in quantum computing, qubit by qubit

(PhysOrg.com) -- Engineers and physicists at Harvard have managed to capture light in tiny diamond pillars embedded in silver, releasing a stream of single photons at a controllable rate.

Physics / Optics & Photonics

created Oct 10, 2011 | popularity 4.9 / 5 (14) | comments 7 | with audio podcast

New way to store light could prove useful for optical communication

(PhysOrg.com) -- Due to its high data carrying capacity and low loss, light can serve as an ideal information carrier. However, due to the high speed at which it travels, light is difficult to store. Because ...

Physics / Optics & Photonics

created Oct 03, 2011 | popularity 4 / 5 (10) | comments 3 | with audio podcast feature

Physicists map spiraling light to harness untapped data capacity

Physicists with the Institute of Ultrafast Spectroscopy and Lasers (IUSL) at The City College of New York have presented a new way to map spiraling light that could help harness untapped data channels in optical fibers. Increased ...

Physics / General Physics

created Aug 25, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Physicists take steps toward delivering quantum information to the home

(PhysOrg.com) -- Today, fiber optics technology transports information in the form of classical data to homes and businesses. But researchers are currently working on ways to combine quantum data with the ...

Physics / Quantum Physics

created Jul 18, 2011 | popularity 4.7 / 5 (50) | comments 4 | with audio podcast feature

Diamonds shine in quantum networks: Researchers hitch precious stone's impurities onto nano-resonators

When it comes to dreaming about diamonds, energy efficiency and powerful information processing aren't normally the thoughts that spring to mind. Unless, of course, you are a quantum physicist looking to create the most secure ...

Physics / Optics & Photonics

created Apr 26, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Beam me up ... Quantum teleporter breakthrough

(PhysOrg.com) -- Researchers have achieved a breakthrough in quantum communications and computing using a teleporter and a paradoxical cat.

Physics / Quantum Physics

created Apr 15, 2011 | popularity 4.2 / 5 (46) | comments 48 | with audio podcast

Quantum engineers remove roadblock in developing next-generation technologies

(PhysOrg.com) -- An international team has removed a major obstacle to engineer quantum systems that will play a key role in the computers, communication networks, and even biomedical devices of the future.

Physics / Quantum Physics

created Mar 08, 2011 | popularity 4.9 / 5 (21) | comments 6 | with audio podcast

Quantum quirk contained: Discovery moves quantum networks closer to reality

Researchers at the University of Calgary, in Canada, collaborating with the University of Paderborn, in Germany, are working on a way to make quantum networks a reality and have published their findings in ...

Physics / Quantum Physics

created Jan 12, 2011 | popularity 4.3 / 5 (23) | comments 8 | with audio podcast

World Cup Security Uses Physics To Thwart Hackers

South African physicists working to protect data networks at the World Cup hope to provide something that no goalkeeper can promise: perfect defense. They're tapping the laws of physics to prevent hackers ...

Technology / Hi Tech & Innovation

created Jun 21, 2010 | popularity 4.5 / 5 (8) | comments 2 | with audio podcast

German physicists develop a quantum interface between light and atoms

German hysicists at the Johannes Gutenberg University Mainz have developed a quantum interface which connects light particles and atoms.

Physics / Quantum Physics

created May 27, 2010 | popularity 4.8 / 5 (24) | comments 8 | with audio podcast