by mattiawalschaers | Jun 19, 2023 | actu_en_home, Actus, blog, multimode-news, stage
Overview Our group, the multimode quantum optics group of Laboratoire Kastler Brossel, pioneered many aspects of continuous variable (CV) approach to quantum optics. Our main objects of interest are the quadratures of the electric field, which are typically measured...
by mattiawalschaers | Jan 31, 2023 | actu_en_home, blog, multimode-news, stage
Overview A fundamental task in quantum metrology is to identify the ultimate sensitivity limit in the estimation of a parameter encoded into a quantum state. Even under ideal conditions, when all technical noise sources are removed, quantum noise poses unavoidable...
by mattiawalschaers | Jan 20, 2022 | actu_en_home, blog, multimode-news, stage
Scientific context Our group, the multimode quantum optics group of Laboratoire Kastler Brossel, pioneered many aspects of continuous variable (CV) approach to quantum optics. Our main objects of interest are the quadratures of the electric field, which are typically...
by mattiawalschaers | Dec 1, 2020 | multimode-news
Quantum physics in phase space Phase space is a useful tool to represent physical systems, such as the position and momentum of a particle, or the electric field of propagating light. It is common to describe quantum states of such systems by their Wigner function:...
by mattiawalschaers | Sep 25, 2020 | actu_en_home, blog, multimode-news, stage
Overview Our group, the multimode quantum optics group of Laboratoire Kastler Brossel, pioneered many aspects of continuous variable (CV) approach to quantum optics. Our main objects of interest are therefore the quadratures of the electric field, which are typically...
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