News tagged with optical communication

One petabit per second fiber transmission over 50 km

NTT and three partners- Nippon Telegraph and Telephone Corporation, Fujikura Ltd., Hokkaido University, and Technical University of Denmark—demonstrated ultra-large capacity transmission of 1 petabit (1000 terabit) per ...

dateSep 21, 2012 in Telecom
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A new approach to on-chip quantum computing

Commercial devices capable of encrypting information in unbreakable codes exist today, thanks to recent quantum optics advances, especially the generation of photon pairs—tiny entangled particles of light. Now, an international ...

dateOct 02, 2014 in Quantum Physics
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NASA takes Lasercom a step forward

A NASA-developed laser communication (lasercom) system made headlines in 2013 when it demonstrated record-breaking data download and upload speeds to the moon. Now, a NASA optical physicist says he can match those speeds—plus ...

dateOct 23, 2015 in Space Exploration
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A step closer to a photonic future

The future of computing may lie not in electrons, but in photons – that is, in microprocessors that use light instead of electrical signals. But these so-called photonic devices are typically built using customized methods ...

dateFeb 19, 2014 in Optics & Photonics
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Data highway for quantum information

Researchers at the Vienna University of Technology quantum mechanically couple atoms to glass fiber cables. Now, they have shown that their technique enables storage of quantum information over a sufficiently long period ...

dateJun 12, 2013 in Quantum Physics
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