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Deposition Sciences Inc. - Difficult Coatings - LB - 8/23

Combing a Qubit

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COLLEGE PARK, Md., April 8, 2010 — By adapting an optical frequency comb researchers have found a way to manipulate quantum bits (qubits). According to physicists at the University of Maryland, this discovery will be vital for the future of quantum computers. Conventional methods for manipulating qubits typically require pairs of lasers with closely coordinated outputs and high power levels. Optical frequency combs produce a rainbow of light that's made up of discrete, precisely defined frequencies. Because the light originates from a single source, rather than two separate sources, the output frequencies in an...Read full article

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    Published: April 2010
    Glossary
    acousto-optic modulator
    A device that varies the amplitude and phase of a light beam; e.g., from a laser or by sound waves. Also known as a Bragg cell.
    spectrum
    See optical spectrum; visible spectrum.
    acousto-optic modulatorAmericasCoherentcoordinated outputselectronically shift frequenciesoptical frequency combOpticsquantum bitsquantum computersqubitsrainbow of lightRamanResearch & TechnologyspectrumUniversity of MarylandLasers

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