Erlangen 2018 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 20: Quantum Optics III

Q 20.5: Talk

Monday, March 5, 2018, 17:15–17:30, K 0.016

Multimode photon-subtracted states of light — •Mattia Walschaers, Claude Fabre, Valentina Parigi, and Nicolas Treps — Laboratoire Kastler Brossel, UPMC-Sorbonne Université, ENS-PSL, Collège de France, CNRS, Paris, France

The deterministic generation of entanglement between large numbers of modes makes continuous variable quantum optics a promising platform for implementing quantum protocols. However, a genuine quantum advantage can only be achieved by introducing non-Gaussian features. Experimentally, this can be done through mode-tuneable photon subtraction.

In this contribution, we present a general theoretical framework to describe multimode photon subtracted states. With these theoretical tool we investigate a variety of non-Gaussian features in the state. In particular, we will focus on the newly introduced concept of inherent entanglement.