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Quantum-Dense Metrology
Sebastian Steinlechner, Jöran Bauchrowitz, Melanie Meinders +3
Quantum metrology utilizes entanglement for improving the sensitivity of measurements. Up to now the focus has been on the measurement of just one out of two non-commuting observab…
Quantum Enhancement of the Zero-Area Sagnac Interferometer Topology for Gravitational Wave Detection
Tobias Eberle, Sebastian Steinlechner, Jöran Bauchrowitz +5
Only a few years ago, it was realized that the zero-area Sagnac interferometer topology is able to perform quantum nondemolition measurements of position changes of a mechanical os…
Preparing a mechanical oscillator in non-Gaussian quantum states
Farid Khalili, Stefan Danilishin, Haixing Miao +3
We propose a protocol for coherently transferring non-Gaussian quantum states from optical field to a mechanical oscillator. The open quantum dynamics and continuous-measurement pr…
Entanglement of macroscopic test masses and the Standard Quantum Limit in laser interferometry
Helge Mueller-Ebhardt, Henning Rehbein, Roman Schnabel +2
We show that the generation of entanglement of two heavily macroscopic mirrors with masses of up to several kilograms are feasible with state of the art techniques of high-precisio…
An all-optical trap for a gram-scale mirror
T. Corbitt, Y. Chen, H. Mueller-Ebhardt +7
We report on a stable optical trap suitable for a macroscopic mirror, wherein the dynamics of the mirror are fully dominated by radiation pressure. The technique employs two freque…