{"id":841,"date":"2021-03-23T14:17:06","date_gmt":"2021-03-23T13:17:06","guid":{"rendered":"http:\/\/blog.u-bourgogne.fr\/limquet\/?page_id=841"},"modified":"2021-03-23T16:06:24","modified_gmt":"2021-03-23T15:06:24","slug":"sergiys-project","status":"publish","type":"page","link":"https:\/\/blog.ube.fr\/limquet\/sergiys-project\/","title":{"rendered":"Sergiy’s project"},"content":{"rendered":"

 <\/p>\n\n\n\n
\"\"<\/td>\nSergiy Stryzhenko<\/span><\/strong><\/span><\/p>\n

E-mail:<\/span> sergiy.stryzhenko@physik.tu-darmstadt.de<\/p>\n

Phone:<\/span> +49-6151-16-20745<\/p>\n

Institution:<\/span> Technical University of Darmstadt<\/p>\n

supervisor:<\/span> Thomas Halfmann, Thorsten Peters<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Project Title:<\/span><\/strong> Photon-photon interface with stationary light pulses (SLPs) in a hollow-core fibre (WP3)<\/p>\n

The aim of the task is to enable nonlinear optics in a cold atomic ensemble of high optical depth beyond 1000, as it is was recently demonstrated by the team at TUDA. The huge optical depth serves to permit strong photon-photon interactions. We will develop, implement, and systematically investigate appropriately designed multi-level couplings in a cold atomic ensemble provided at large optical depth in a hollow-core photonic bandgap fibre. This will enable nonlinear photon-photon interactions, e.g., as required to implement a transistor-like optical switch at the single photon level. The latter exhibits a basic component of an optical quantum information processor.
\nThe co-supervisor at TCPA will support the experimental investigations by know-how transfer and calculations of optimized pulse sequences to coherently drive multi-level schemes. The ESR will be trained about these techniques during the secondment at TCPA.<\/p>\n

Expected Results:<\/strong><\/span> The project will lead to a fibre-based photon-photon interface to perform nonlinear optics at the few-photon level. One of the first applications will be a single-photon quantum filter which transmits single-photon states, while completely absorbing multi-photon states, i.e., a device required for quantum information processing. Hence, the concept is expected to trigger a large impact.<\/p>\n

 <\/p>\n

TUDA = Technical University of Darmstadt
\nTCPA = Foundation for Theoretical and Computational Physics and Astrophysics<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

  Sergiy Stryzhenko E-mail: sergiy.stryzhenko@physik.tu-darmstadt.de Phone: +49-6151-16-20745 Institution: Technical University of Darmstadt supervisor: Thomas Halfmann, Thorsten Peters   Project Title: Photon-photon interface with stationary light pulses (SLPs) in a hollow-core fibre (WP3) The aim of the task is to enable nonlinear optics in a cold atomic ensemble of high optical depth beyond 1000, as it…<\/p>\n

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