[Physstaff] Reminder: Colloquium Today 3pm "Hybrid quantum information processing with atoms, photons and superconducting circuits", Jonathan Pritchard (Strathclyde)

[Daniel Oi]

Just a reminder of today's colloquium in JA3.14 at 3pm.

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Sent: 03 March 2016 13:57
Subject: [Physstaff] Colloquium 9/3/2016: "Hybrid quantum information processing with atoms, photons and superconducting circuits", Jonathan Pritchard (Strathclyde)

Dear All,

Next week’s colloquium will be given by Jonathan Pritchard (Strathclyde). As usual, there will be tea/coffee afterwards in the common room.

Title: Hybrid quantum information processing with atoms, photons and superconducting circuits
Speaker: Dr Jonathan Pritchard (SUPA Physics, University of Strathclyde)
Venue: John Anderson Building JA3.14
Time/Date: 3pm 9th March 2016

Abstract:
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.

http://photonics.phys.strath.ac.uk/hybrid/

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