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Observing and evading quantum back-action on a kilogram-scale oscillator
Begüm Kabagöz, Eric Oelker, Dhruva Ganapathy +203
Continuous quantum displacement measurements are fundamentally limited by a trade-off between readout imprecision and measurement back-action, constrained by the Heisenberg uncerta…
Fundamental sensitivity limit of lossy cavity-enhanced interferometers with external and internal squeezing
Mikhail Korobko, Jan Südbeck, Sebastian Steinlechner +1
Quantum optical sensors are ubiquitous in various fields of research, from biological or medical sensors to large-scale experiments searching for dark matter or gravitational waves…
The success story of squeezed light
Roman Schnabel
Squeezed states of the optical field were theoretically described in the early 1970s and first observed in the mid 1980s. The measured photon number of a squeezed state is correlat…
Mitigating quantum decoherence in force sensors by internal squeezing
Mikhail Korobko, Jan Südbeck, Sebastian Steinlechner +1
The most efficient approach to laser interferometric force sensing to date uses monochromatic carrier light with its signal sideband spectrum in a squeezed vacuum state. Quantum de…
Beating the standard sensitivity-bandwidth limit of cavity-enhanced interferometers with internal squeezed-light generation
Mikhail Korobko, Lisa Kleybolte, Stefan Ast +3
The shot-noise limited peak sensitivity of cavity-enhanced interferometric measurement devices, such as gravitational-wave detectors, can be improved by increasing the cavity fines…
Impact of backscattered light in a squeezing-enhanced interferometric gravitational-wave detector
S. S. Y. Chua, S. Dwyer, L. Barsotti +20
Squeezed states of light have been recently used to improve the sensitivity of laser interferometric gravitational-wave detectors beyond the quantum limit. To completely establish…