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Your T-shirt’s ringing: Telecommunications in the spaser age

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Posted April 29, 2014
Your T-shirt's ringing: Telecommunications in the spaser age
A team of researchers from Monash University’s Department of Electrical and Computer Systems Engineering has modelled the world’s first spaser to be made completely of carbon. Credit: Monash University

A new version of “spaser” technology being investigated could mean that mobile phones become so small, efficient, and flexible they could be printed on clothing.

A team of researchers from Monash University’s Department of Electrical and Computer Systems Engineering (ECSE) has modelled the world’s first spaser (surface plasmon amplification by stimulated emission of radiation) to be made completely of carbon.

A spaser is effectively a  or nanolaser. It emits a beam of light through the vibration of free electrons, rather than the space-consuming electromagnetic wave emission process of a traditional laser.

PhD student and lead researcher Chanaka Rupasinghe said the modelled spaser design using carbon would offer many advantages.

“Other spasers designed to date are made of gold or silver nanoparticles and while our device would be comprised of a resonator and a  gain element,” Chanaka said.

Read more at: Phys.org

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