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Quantum Metrology for Gravitational Wave Astronomy
Roman Schnabel, Nergis Mavalvala, David E. McClelland +1
Einstein's General Theory of Relativity predicts that accelerating mass distributions produce gravitational radiation, analogous to electromagnetic radiation from accelerating char…
Detection of 15 dB Squeezed States of Light and their Application for the Absolute Calibration of Photoelectric Quantum Efficiency
Henning Vahlbruch, Moritz Mehmet, Karsten Danzmann +1
Squeezed states of light belong to the most prominent nonclassical resources. They have compelling applications in metrology, which has been demonstrated by their routine exploitat…
Macroscopic quantum mechanics in gravitational-wave observatories and beyond
Roman Schnabel, Mikhail Korobko
The existence of quantum correlations affects both microscopic and macroscopic systems. On macroscopic systems they are difficult to observe and usually irrelevant for the system's…
The solution to the "Einstein-Podolsky-Rosen paradox"
Roman Schnabel
In 1935, Albert Einstein, Boris Podolsky, and Nathan Rosen ('EPR') reported on a thought experiment that they believed showed that quantum theory provided an incomplete description…
Multi-step two-copy distillation of squeezed states via two photon subtraction
Stephan Grebien, Julian Goettsch, Boris Hage +2
Squeezed states of light have been improving the sensitivity of gravitational-wave observatories and are nonclassical resources of quantum cryptography and envisioned photonic quan…
Approaching the motional ground state of a 10 kg object
Chris Whittle, Evan D. Hall, Sheila Dwyer +197
The motion of a mechanical object -- even a human-sized object -- should be governed by the rules of quantum mechanics. Coaxing them into a quantum state is, however, difficult: th…