Starting with an overview of quantum simulation with cold atoms and ions, the talk will focus on two recent developments. We will first discuss quantum simulation of lattice gauge theories both from a condensed matter and a high energy physics point of view. The second topic is open system quantum simulation, in particular on chiral spin networks, their quantum dynamics and realization with quantum optical systems.
Dr. Carla Fehr holds the Wolfe Chair in Scientific and Technological Literacy in the Philosophy Department at the University of Waterloo. She conducts research on ways that diversity promotes innovation and excellence in science and technology. Dr.
In the first part of the talk I will focus on resonant tunneling and directed transport of ultracold atoms that are strongly coupled to an optical lattice inside a ring-cavity and to which an uniform bias force is applied. The bias force induces Bloch oscillations causing amplitude and phase modulation of the lattice which resonantly modifies the site-to-site tunneling. We show how different aspects of the transport such as the direction and magnitude can be simply controlled by changing the cavity detuning.
In this talk, I will present a stronger version of the Doherty-Parrilo-Spedalieri (DPS) hierarchy of approximations for the set of separable states. Unlike DPS, our hierarchy converges exactly at a finite number of rounds for any fixed input dimension. This yields an algorithm for separability testing which is singly exponential in dimension and poly-logarithmic in accuracy.
Join us for the next Quantum Frontiers Distinguished Lecture Series when Dr. Alain Aspect will talk about the weirdness of wave particle duality.
With the rapid advance of quantum technology, it may become a real
threat that an adversary can take advantage of quantum side information
at hand to break security. In this talk, we consider the problem of
multi-source randomness extraction in the presence of a quantum
adversary, who collects quantum side information from several initially
independent classical random sources. The goal is then to extract almost
National Physical Laboratory (NPL) is developing a measurement infrastructure for traceably characterising the quantum optical components of Quantum Key Distribution (QKD) systems, one of the most commercially advanced quantum technologies, and among the first to directly harness the peculiar laws of quantum physics.
I will discuss some new results we have recently obtained for the
problem of quantum states discrimination by Local Operations and
Introducing the next installment of the Quantum Industry Lecture Series (QuILS). Nathan Wiebe, a former IQC postdoctoral fellow who is currently working at Microsoft, will talk to us about what it's like to work in research for a technological powerhouse.
We develop a method for approximate synthesis of single--qubit rotations of the form e^{-i f(\phi_1,\ldots,\phi_k)X} that is based on the Repeat-Until-Success (RUS) framework for quantum circuit synthesis. We demonstrate how smooth computable functions, f, can be synthesized from two basic primitives. This synthesis approach constitutes a manifestly quantum form of arithmetic that differs greatly from the approaches commonly used in quantum algorithms.
The Quantum Innovators workshop will bring together the most promising young researchers in quantum physics and engineering for a three-day conference aimed at exploring the frontier of our field.
ETSI, in partnership with the Institute for Quantum Computing (IQC), is pleased to invite you to the second IQC/ETSI Quantum-Safe Crypto Workshop. The event will be held in Ottawa, Canada, on 6th – 7th October, 2014. This workshop will bring together the diverse communities that will need to co-operate to standardize and deploy the next-generation cryptographic infrastructure, in particular, one that will be secure against emerging quantum computing technologies. The event agenda will be announced Early September.
Quantum information is a very valuable, but also very fragile resource.
In this talk I want to present progress of our quantum optics laboratory. Our laboratory was built in the summer 2013. During the past year we've performed number of beautiful experiments. One of the featured experiments is "Quantum vampire" which demonstrates non-local properties of the annihilation operator. This beautiful effect predicts that if you take particular number of photons from the part of the light beam there will be now shadow.
1- Photon number discrimination without photon counting (theory and experiment)
