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Experimental Realisation of a Thermal Squeezed State of Levitated Optomechanics
Muddassar Rashid, Tommaso Tufarelli, James Bateman +4
We experimentally squeeze the thermal motional state of an optically levitated nanosphere, by fast switching between two trapping frequencies. The measured phase space distribution…
Quantum-limited estimation of continuous spontaneous localization
Sam McMillen, Matteo Brunelli, Matteo Carlesso +4
We apply the formalism of quantum estimation theory to extract information about potential collapse mechanisms of the continuous spontaneous localisation (CSL) form. In order to es…
Parametric Feedback Cooling of Levitated Optomechanics in a Parabolic Mirror Trap
Jamie Vovrosh, Muddassar Rashid, David Hempston +3
We demonstrate a simple and robust geometry for optical trapping in vacuum of a single nanoparticle based on a parabolic mirror and the optical gradient force, and we demonstrate r…