[quantum-info] Colloquium Institute for Quantum Computing Monday, 6 January, 2014

[Matthew Fries]

Disregard this email please. The colloquium for Monday, January 6th, is
being rescheduled. 

-- 
Matthew Fries
Visitor Coordinator
Institute for Quantum Computing
mfries at uwaterloo.ca

QNC 1211
P 519-888-4567 x38011
BB# 1 226 338 5492



On 2014-01-06 6:53 AM, "Matthew Fries" <mfries at uwaterloo.ca> wrote:

>Colloquium
>
>Institute for Quantum Computing
>
>Monday, 6 January 2014 at 2:30PM
>
>QNC 0101
>
>Gigantic quantum computers made out of laser light
>
>Nicolas Menicucci
>
>The University of Sydney
>
>Quantum computers promise fast computation, but to be useful they need to
>be big -- really big. I will discuss recent theoretical and experimental
>breakthroughs in designing and building a huge quantum computer made out
>of laser light itself. The key component to such a quantum computer is a
>continuous-variable cluster state.
>
>A cluster state is an entangled state that allows one to quantum compute
>just by making (adaptive) local measurements on it, with the choice of
>measurements determining the computation performed. This is surprising
>because it means we can quantum compute simply by *looking* at a quantum
>system in a particular way. The continuous-variable incarnations of these
>states are simple to make using lasers and can be scaled up with ease to
>gigantic sizes. In this talk, I will describe the basics of
>measurement-based quantum computing using continuous-variable systems,
>including a recent proof of fault tolerance using these resources. I will
>also report on their experimental realization, including the recent
>demonstration of a 10,000-mode (!) cluster state. Three orders of
>magnitude larger than the previous record of 14 trapped ions, this is the
>largest entangled state ever created to date in which every constituent
>quantum system is individually addressable, and it is the basic build!
> ing block for what is potentially an ultra-large-scale quantum computer.
>Open problems and remaining challenges to the practical implementation of
>these devices will also be discussed.
>
>_______________________________________________
>quantum-info mailing list
>quantum-info at lists.uwaterloo.ca
>https://lists.uwaterloo.ca/mailman/listinfo/quantum-info