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<p class="MsoNormal">Dear All,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Next week’s colloquium will be given by Jonathan Pritchard (Strathclyde). As usual, there will be tea/coffee afterwards in the common room.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Title: Hybrid quantum information processing with atoms, photons and superconducting circuits<o:p></o:p></p>
<p class="MsoNormal">Speaker: Dr Jonathan Pritchard (SUPA Physics, University of Strathclyde)<o:p></o:p></p>
<p class="MsoNormal">Venue: John Anderson Building JA3.14<o:p></o:p></p>
<p class="MsoNormal">Time/Date: 3pm 9<sup>th</sup> March 2016<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Abstract:<o:p></o:p></p>
<p class="MsoNormal">Hybrid quantum computation exploits the unique strengths of disparate quantum technologies, enabling realization of a scalable quantum device capable of both fast gates and long coherence times. We propose a quantum interface for creating
hybrid entanglement between neutral atoms, superconducting circuits and optical photons. The interface is mediated by coupling superconducting circuits to Rydberg excited single atoms using chip-based coplanar waveguide microwave cavities. We have developed
a simple gate scheme to enable entanglement of an atomic qubit with a microwave photon, with fidelity calculations based on realistic parameters giving Bell-state preparation fidelity exceeding 0.999 on μs timescales. Experimental progress towards the coherent
excitation of a single atom above a coplanar waveguide in a 4 K cryostat at the University of Wisconsin-Madison will be presented, along with an overview of a newly established experiment at the University of Strathclyde focused on quantum networking of hybrid
systems.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">http://photonics.phys.strath.ac.uk/hybrid/<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">----<o:p></o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">Dr Daniel K. L. Oi<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">Lecturer, Quantum Information<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">Computational Nonlinear & Quantum Optics<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">SUPA Department of Physics<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">University of Strathclyde<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">Glasgow G4 0NG<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">United Kingdom<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">Tel: +44 141 548 3112<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">Fax: +44 141 552 2891<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">Web: cnqo.phys.strath.ac.uk<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">The Department of Physics, University of Strathclyde, Rated No. 1 in the UK by the UK led Research Excellence Framework (REF2014).<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB"><br>
The University of Strathclyde is a charitable body, registered in Scotland, number SCO15263<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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