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Breaking barriers with nanoscale lasers

(PhysOrg.com) -- We could soon see the potential of laser technology expand dramatically.

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Miami firm says it will lay first US-Cuba fiber

(AP) -- A small Miami-based company says the U.S. government has given it permission to lay the first optical communications fiber from the U.S. to Cuba. That could drastically cut the cost of calling...

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Chemists get custom-designed microscopic particles to self-assemble in liquid...

(PhysOrg.com) -- The scientists anticipate their "LithoParticles" will have significant applications in photonics, optical communications and other areas.

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IBM Scientists Create Ultra-Fast Device Which Uses Light for Communication...

(PhysOrg.com) -- IBM scientists today unveiled a significant step towards replacing electrical signals that communicate via copper wires between computer chips with tiny silicon circuits that...

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Redefining electrical current law with the transistor laser

(PhysOrg.com) -- While the laws of physics weren't made to be broken, sometimes they need revision. A major current law has been rewritten thanks to the three-port transistor laser, developed by Milton...

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Revolutionary Communications System Promises New Generation of Untethered,...

(PhysOrg.com) -- Woods Hole Oceanographic Institution (WHOI) engineers and scientists are employing a combination of new undersea technologies to re-define how we think of tethered, remotely operated...

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IBM's breakthrough chip technology lights the path to exascale computing

(PhysOrg.com) -- IBM scientists today unveiled a new chip technology that integrates electrical and optical devices on the same piece of silicon, enabling computer chips to communicate using pulses of...

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Fujitsu achieves 40-Gbps optical-fiber transmission using directly-modulated...

Fujitsu today announced the achievement of a 40 gigabits per second (40-Gbps) optical-fiber transmission employing an uncooled directly-modulated laser. This was realized through the combination of a...

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Physicists move closer to efficient single-photon sources

A team of physicists in the United Kingdom has taken a giant step toward realizing efficient single-photon sources, which are expected to enable much-coveted completely secure optical communications,...

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High efficiency infrared photodetectors using gold nanorods

Toyohashi Tech researchers develop an innovative infrared photodetector exploiting ‘plasmon resonance’ at the surface of gold nanorods. This technology shows potential as the basis for the development...

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Better lasers for optical communications

A new laser procedure could boost optical fiber communications. This technique could become essential for the future expansion of the Internet. It also opens up new frontiers in basic research.

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Rainbow-trapping scientist now strives to slow light waves even further

An electrical engineer at the University at Buffalo, who previously demonstrated experimentally the "rainbow trapping effect" -- a phenomenon that could boost optical data storage and communications --...

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Scientists make quantum breakthrough

(PhysOrg.com) -- Scientists have demonstrated for the first time that atoms can be guided in a laser beam and possess the same properties as light guided in an optical communications fiber.

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Physicists describe how to make time-reversed light pulses

(PhysOrg.com) -- By taking advantage of the properties of periodic systems, physicists have described how to efficiently time-reverse ultrashort electromagnetic pulses. Since a time-reversed pulse...

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Singapore researchers invent broadband graphene polarizer

Researchers at the National University of Singapore have invented a graphene-based polarizer that can broaden the bandwidth of prevailing optical fiber-based telecommunication systems.

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Periodic structures in organic light-emitters can efficiently enhance,...

The irradiation of a metal surface with light or electrons can result in the formation of coherent electronic oscillations called surface plasmons, an effect ideal for applications such as optical...

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Graphene's shining light could lead to super-fast Internet

Internet connection speeds could be tens of times faster than they currently are, thanks to research by University of Manchester scientists using wonder material graphene.

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First implementation of 100 and 40Gbps ultra-high-speed plug-and-play optical...

Nippon Telegraph and Telephone Corporation and NTT Communications Corporation have conducted 100 and 40Gbps transmission tests in real field environments using existing installed optical fiber, and...

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Exotic material shows promise as flexible, transparent electrode

(PhysOrg.com) -- An international team of scientists with roots at SLAC and Stanford has shown that ultra-thin sheets of an exotic material remain transparent and highly conductive even after being...

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Retroreflector transmits light with negligible power consumption

(Phys.org) -- In free-space optical communications (FSO), data is wirelessly transmitted by light propagating through open space. Among their applications, FSO systems are used for communications...

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