QUAINT is a pan-European Coordination Action on Optimal Control of Quantum Systems, funded by the European Commission Framework Programme 7, Future Emerging Technologies FET-OPEN programme. It is an EU network of researchers working on topics related to controlling quantum systems with more details avalable in the About section. This website draws together resources on the topic. If you are working in this area or are just interested in the subject, please join us.
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The tutorial is intended to give hands on experience of optimising pulses for the control for a varity of quantum systems. The control modules within the popular QuTiP library (Quantum Toolbox in Python. http://qutip.org/) will be used. We want delegates to be able to take home working version of the library along with the worked examples, and therefore we are running 'bring your own device' session. Instructions are provided below on how to get set up before the session. A VirtualBox image will be provided for anyone who does not wish to install the library and necessary components on their device. An an introduction will be given before the hands on part.
It has long been an aim of quantum optimal control to steer chemical reactions to create new molecules or improve the yield of existing reactions, etc. Early work by Brumer, Shapiro (1992) and Tannor, Kosloff, Rice (1986) suggested to use lasers, or photonic reagents, as molecular scissors. This has been gradually realised by closed loop control techniques, e.g.
A better understanding of the control of coupled spins is essential for quantum based technologies like magnetic resonance imaging, magnetic resonance spectroscopy and future quantum computers. The video shows actual screen recordings of the free SpinDrops iphone app which provides intuitive and comprehensible access to the fascinating world of quantum control for anyone interested in the optimal control and utilization of quantum phenomena. The new DROPS representation maps the density matrix onto three-dimensional drop like objects. They reflect all quantum mechanical correlations between the spins at a given point in time. The examples shown in the video include spin rotations, precession, coherence transfer and multiple-quantum excitation.
Michael James David Powell passed away on April 19th, 2015. He has been a pioneer in non-linear optmisation and numerical analysis, and much of his work has been devoted to quasi-Newton optimisation and the analysis of BFGS, which also forms an important basis for many quantum control algorithms. A memorial site for him has been set up here.
The organizing committee is pleased to invite you to the first Workshop for Quantum Repeaters and Networks, to be held at the historic Asilomar Conference Grounds in beautiful Pacific Grove, CA, May 15-17, 2015. The goal of this workshop is to bring the active research community together to discuss the progress, challenges and new possible directions for quantum repeaters and networks.
The next International Conference on Quantum Information Processing and Communication (QIPC 2015) will take place at the University of Leeds from Sunday 13 September to Friday 18 September 2015. Like previous QIPC conferences (e.g. Florence 2013 and Zurich 2011), we aim to bring together researchers from all aspects of Quantum Information Science.