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Ultrastable optical frequency transfer over fibre - towards optical clock comparisons between London and Paris

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If you have a question about this talk, please contact Vincent Boyer.

Remote optical clock comparisons are an essential step towards a possible redefinition of the second. However traditional satellite-based techniques lack the accuracy and stability needed. Optical frequency transfer through long haul fibre links has been established as an alternative. Using this technique, we aim at performing an international comparison of the clocks developed at SYRTE and NPL . I’ll present the status of the London-Paris Link project with some preliminary data characterising the link, as well as the basics of the technology, some of its practical aspects and its potential applications.

This talk is part of the Cold Atoms series.

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