Events

Michele Piscitelli, Royal Holloway University

The focus of this talk will be a general introduction to Nuclear Magnetic Resonance (NMR) detection schemes that are based on the use of Superconducting Quantum Interference Devices (SQUIDs) as highly sensitive magnetometers. I will begin by providing an overview of the relevant concepts and principles behind SQUID-detected NMR. In the main part of my talk I will be presenting our experimental results and achievements in the field of ultralow field SQUID NMR spectroscopy and Magnetic Resonance Imaging (MRI).

Urbasi Sinha, Raman Research Institute

In a double slit interference experiment, the wave function at the screen with both slits open is not exactly equal to the sum of the wave functions with the slits individually open one at a time. The three scenarios represent three different boundary conditions and as such, the superposition principle should not be applicable. However, most well-known text books in quantum mechanics implicitly and/or explicitly use this assumption that is only approximately true.

Scott Aaronson, Massachusetts Institute of Technology (MIT)

I'll give a broad overview of my research over the last decade aimed at understanding the relationship between computational complexity and physics; and in particular, the capabilities and limitations of quantum computers.

Paul Kwiat, University of Illinois at Urbana-Champaign

Nearly 80 years after Schroedinger described entanglement as the quintessential nonclassical phenomenon, and 50 years after Bell showed the inconsistency of quantum correlations with local realism, the quantum information revolution seeks to use its almost magical properties to enable new feats in information processing. As we shall see, entanglement can now be produced at high rates with exquisite precision, enabling unprecedented tests of nonlocality and such feats as quantum cryptography and teleportation.

Erik Woodhead, The Institute of Photonic Sciences, Spain

Quantum key distribution (QKD) can be implemented in both so-called
entanglement-based (EB) and prepare-and-measure (PM) configurations. There is a certain degree of equivalence between EB and PM schemes from the point of view of security analysis that has been heavily exploited in the literature over the last fifteen years or so, where a given PM protocol is reduced to an equivalent EB protocol (following the BBM92 argument) whose security is then proved.

Public lecture by Dr. Krysta Svore, Microsoft Research

Krysta Svore In 1981, Richard Feynman proposed a device called a “quantum computer” to take advantage of the laws of quantum physics to achieve computational speed-ups over classical methods. Quantum computing promises to revolutionize how we compute.

Aleksander Kubica, California Institute of Technology

The topological color code and the toric code are two leading candidates for realizing fault-tolerant quantum computation. In the talk, I will introduce these two models and show their equivalence in d dimensions. I will describe codes with or without boundaries, and explain what insights one gets in the former case by looking at the condensation of anyonic excitations on the boundaries. I will conclude with a recipe of how one can implement fault-tolerantly a logical non-Pauli gate in the toric code in d dimensions.

Mario Berta, California Institute of Technology

The quantum capacity of a memoryless channel is often used as a single figure of merit to characterize its ability to transmit quantum information coherently. The capacity determines the maximal rate at which we can code reliably over asymptotically many uses of the channel. We argue that this asymptotic treatment is insufficient to the point of being irrelevant in the quantum setting where decoherence severely limits our ability to manipulate large quantum systems in the encoder and decoder.

Marzio Pozzuoli, RuggedCom

Abstract:
In 2001 RuggedCom was a fledging startup. A decade later it was bought by Siemens for nearly half a billion dollars. Mr. Pozzuoli, its founder, will discuss its path to success and the role played in that success by the Canadian experience and the strategies outlined in Geoffrey Moore’s iconic book “Crossing the Chasm”.

Biography:

Tommaso Calarco, University of Ulm

Quantum technologies are based on the manipulation of individual degrees of freedom of quantum systems with exquisite precision. Achieving this in a real environment requires pushing to the limits the ability to control the dynamics of quantum systems of increasing complexity. Optimal control techniques are known to enable steering the dynamics of few-body systems in order to prepare a desired state or perform a desired unitary transformation.

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Michele Piscitelli: Ultralow Field MRI and Beyond: Exploring current applications of SQUID-detected NMR

Michele Piscitelli, Royal Holloway University

Urbasi Sinha: Surprises regarding the Superposition principle in interference experiments

Urbasi Sinha, Raman Research Institute

Scott Aaronson: Exploring the Limits of the Efficiently Computable

Scott Aaronson, Massachusetts Institute of Technology (MIT)

Paul Kwiat: For Whom the Bell Inequality Tolls: Quantum Entanglement for Fun and Profit

Paul Kwiat, University of Illinois at Urbana-Champaign

Erik Woodhead: Prepare-and-measure quantum key distribution

Erik Woodhead, The Institute of Photonic Sciences, Spain

Quantum Computing: Transforming the Digital Age

Public lecture by Dr. Krysta Svore, Microsoft Research

Aleksander Kubica: Unfolding the color code

Aleksander Kubica, California Institute of Technology

Mario Berta: Quantum Coding with Finite Resources

Mario Berta, California Institute of Technology

The RuggedCom Story – “A Tale of Canadian Technology Entrepreneurship & Crossing the Chasm"

Marzio Pozzuoli, RuggedCom

Tommaso Calarco: Steering many-body quantum dynamics

Tommaso Calarco, University of Ulm

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