Imperial College London

Imperial College London (or Imperial) is a public research university in London, England. Its history began with Prince Albert, consort of Queen Victoria, who developed his vision for a cultural area that included the Royal Albert Hall, Victoria & Albert Museum, Natural History Museum and several royal colleges. In 1907, Imperial College London was established by royal charter, unifying the Royal College of Science, Royal School of Mines, and City and Guilds of London Institute. In 1988, the Imperial College School of Medicine was formed by merging with St Mary's Hospital Medical School. In 2004, Queen Elizabeth II opened the Imperial College Business School. Imperial College London focuses on science, engineering, business, and medicine. The main campus is in South Kensington, where most teaching and research takes place. A second campus in White City provides a platform for innovation and entrepreneurship. Facilities also include teaching hospitals throughout London that form an

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An efficient many-core architecture for Elliptic Curve Cryptography security assessment

Marco Indaco, Andrea Miele

Elliptic Curve Cryptography (ECC) is a popular tool to construct public-key crypto-systems. The security of ECC is based on the hardness of the elliptic curve discrete logarithm problem (ECDLP). Implementing and analyzing the performance of the best known methods to solve the ECDLP is useful to assess the security of ECC and choose security parameters in practice. We present a novel many-core hardware architecture implementing the parallel version of Pollard's rho algorithm to solve the ECDLP. This architecture results in a speed-up of almost 300% compared to the state of the art and we use it to estimate the monetary cost of solving the Certicom ECCp-131 challenge using FPGAs. © 2015 Imperial College.

IEEE2015

Invited Review Article: Technology for Attosecond Science

Christopher Alexander Arrell

We describe a complete technological system at Imperial College London for Attosecond Science studies. The system comprises a few-cycle, carrier envelope phase stabilized laser source which delivers sub 4 fs pulses to a vibration-isolated attosecond vacuum beamline. The beamline is used for the generation of isolated attosecond pulses in the extreme ultraviolet (XUV) at kilohertz repetition rates through laser-driven high harmonic generation in gas targets. The beamline incorporates: interferometers for producing pulse sequences for pump-probe studies; the facility to spectrally and spatially filter the harmonic radiation; an in-line spatially resolving XUV spectrometer; and a photoelectron spectroscopy chamber in which attosecond streaking is used to characterize the attosecond pulses. We discuss the technology and techniques behind the development of our complete system and summarize its performance. This versatile apparatus has enabled a number of new experimental investigations which we briefly describe.

American Institute of Physics2012

A System for Conducting Surface Science with Attosecond Pulses

Christopher Alexander Arrell

We report the development of an apparatus to allow time resolved photoelectron spectroscopy of charge motion on solids and structured surfaces with attosecond resolution in an ultra high vacuum environment. The system, connected to the Attosecond Beamline at Imperial College, allows probing of charge dynamics on surfaces and plasmonic fields on structured surfaces with a few-cycle NIR pulse and attosecond pulse trains. The system incorporates novel methods of vibration isolation to eliminate vibrations coupling to sample and optics from mechanical vibrations. An isolated attosecond pulse can also be used with the addition of a multilayer XUV optic. A two-photon photoemission measure of a hot electron population in gold is presented.

Springer Berlin Heidelberg2012

London

London ('lʌndən ) is the capital and largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-

London School of Economics

The London School of Economics and Political Science (LSE) is a public research university in London, England, and a member institution of the University of London. Founded in 1895 by Fabian Society

Fellow of the Royal Society

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MGT-555: Innovation & entrepreneurship in engineering

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MICRO-420: Selected topics in advanced optics

This course proposes a selection of different facets of modern optics and photonics.