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Resonators


— Science

Nanoscale device emits light as bright as an object 10,000 times its size

By - July 28, 2015 1 Picture

Amplifying light a few hundred times with magnifying lenses is easy. Amplifying light by altering the resonant properties of light itself is a much more difficult proposition. However, if recent research by engineers at the University of Wisconsin-Madison engineers is anything to go by, the effort is well worth it: They claim to have constructed a nanoscale device that can emit light as powerfully as an object more than 10,000 times its size.

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— Science

New micro-ring resonator creates quantum entanglement on a silicon chip

By - January 28, 2015 1 Picture
The quantum entanglement of particles, such as photons, is a prerequisite for the new and future technologies of quantum computing, telecommunications, and cyber security. Real-world applications that take advantage of this technology, however, will not be fully realized until devices that produce such quantum states leave the realms of the laboratory and are made both small and energy efficient enough to be embedded in electronic equipment. In this vein, European scientists have created and installed a tiny "ring-resonator" on a microchip that is claimed to produce copious numbers of entangled photons while using very little power to do so. Read More
— Electronics

Quantum computer with separate CPU and memory represents significant breakthrough

By - February 12, 2012 4 Pictures
John Martinis’ research group at the University of California at Santa Barbara has created the first quantum computer with the quantum equivalent of conventional Von Neumann architecture. This general-purpose programmable quantum computer is realized using superconducting circuits and offers greater potential for large-scale quantum computing than the one-problem devices that have been demonstrated in this emerging field to date. Read More
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