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SUMMARY:Quantum Computation in Continuous Variables
UID:evenement5254 @ http://sfp.grenoble.cnrs.fr
DTSTAMP:20180911T140000
DTSTART:20180911T140000
DTEND:20180911T150000
LOCATION:Salle « Remy Lemaire » (K223) de l’Institut Néel – au n°25 de la rue des martyrs\, Grenoble.
DESCRIPTION:ATTENTION : en raison de la mise en application avancée du plan Vigipirate\, toutes les personnes qui ne possèdent pas de badge CNRS doivent nous signaler leur venue avant jeudi 06 septembre 16h\, afin d’ajouter leur nom à la liste des personnes autorisées à entrer sur le site. Quantum computers - devices in which quantum information can be encoded\, processed and read-out - promise to solve efficiently certain problems that cannot be efficiently solved by classical computers. Several progresses in building a quantum computer are being made\, as a result of a broad effort in quantum technology that is currently being undertaken worldwide. In particular\, an interesting emerging approach to quantum computation is the so-called « continuous-variable » one\, which uses as hardware systems that are described by continuous degrees of freedom\, such as the phase and amplitude quadratures of the quantized electromagnetic field. Depending on the algorithm under study\, continuous-variable systems can also be used to encode discrete quantum information corresponding e.g. to standard two-level qubits\, e.g. by the use of the so-called GKP codes\, or with cat codes. I will review my contributions to continuous-variable quantum computation. These include protocols for measurement-based quantum computation in quantum optics with frequency combs\, stemming from a collaboration with the experimental group of N. Treps\, Paris\, as well as protocols for engineering a universal set of gates based on single photon-counting\, and moreover sampling problems. Finally\, I will discuss my future prospects\, in connection to promising experiments with microwaves and superconducting circuits in the group of P. Delsing\, Göteborg. Contact : robert.whitney@grenoble.cnrs.fr
URL: test.ics
STATUS:CONFIRMED
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