on 15-05-2013
Workshop on Quantum Telecommunications, 15-17 May 2013, Lisbon
The Workshop on Quantum Telecommunications will be held on 15-17 May 2013, in Lisbon, and aims at disseminating the latest theoretical and experimental results in quantum telecommunications, quantum information and quantum cryptography, in an informal setting, with plenty of time for discussions. The number of participants is limited.
For more information and registration, please see:
http://www.qtworkshop.org/
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on 07-05-2013
Guillermo Cordourier-Maruri, University College London
07/05/2013, 15:00
Joint seminar with CFIF. Please note exceptional day. Room to be confirmed. * * *
To create a useful quantum information process we always have to deal with the demons of decoherence and a highly demanding control. An answer to reduce the control needed in the qubits interaction is the use of scattering of one flying qubit with a static qubit. In a solid state scenario, the experimental development of quantum electron optics allows to manipulate the path of just one electron in a ballistic regime. In this way, the flying qubit can be implemented with a ballistic electron spin, and the static one with a magnetic impurity or a quantum dot spin. In this talk we discuss the very interesting advantages and the different disadvantages of this proposal. Then we show how the extraordinary properties of graphene, in particular the Klein tunnelling, could overcome this problems and help to implement low-error two-qubit logic gates.
Quantum Computation and Information Seminar
http://www.math.ist.utl.pt/seminars/qci/?action=next
Support: Phys-Info (IT), SQIG (IT), CFIF and CAMGSD, with support from FCT, FEDER and EU FP7, namely via projects PTDC/EEA-TEL/103402/2008 QuantPrivTel, PEst-OE/EEI/LA0008/2011 and Landauer (GA 318287).
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