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Dates: 

Saturday, May 19, 2012

The physics of strong light-matter coupling has been addressed in different scientific communities in the last 3 decades. Since the early eighties, several as well as single atoms have been coupled to optical and microwave cavities, leading to pioneering demonstrations of cavity quantum electrodynamics, textbook Gedanken experiments, and building blocks for quantum information processing.

There are postdoc and PhD positions available in Mathematical Physics/Quantum Information Theory in the Department of Mathematics at the Technical University in Munich (Germany). Applicants should be
• mathematicians, theoretical physicists or computer scientists,
• interested in mathematical physics, theoretical computer science, quantum information theory and/or other fields of quantum theory and its foundations,
• willing to contribute to undergraduate math education.

PREDOCTORAL RESARCHER IN QUANTUM CONTROL AND TOMOGRAPHY AT THE UNIVERSIDAD CARLOS III DE MADRID
A fully funded Reserarcher Contract in Quantum Control and Tomography is available to work under the supervision of Prof. Alberto Ibort Latre at the Departamento de Matemáticas, Universidad Carlos III de Madrid (Spain). It covers a period ending 31/12/2013.

ArXiv identifier: 

1009.2683

Speakers: 

Christoffer Wittmann

Authors: 

C. Wiechers, L. Lydersen, C. Wittmann, D. Elser, J. Skaar, C. Marquardt, V. Makarov, and G. Leuchs

We present a method to control the detection events in quantum key distribution systems that use gated single-photon detectors. We employ bright pulses as faked states, timed to arrive at the avalanche photodiodes outside the activation time. The attack can remain unnoticed, since the faked states do not increase the error rate per se. This allows for an intercept–resend attack, where an eavesdropper transfers her detection events to the legitimate receiver without causing any errors.

Dates: 

Sunday, February 20, 2011

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