Roman Schnabel

Prof. Dr.

Universität Hamburg

Germany

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Prof. Dr. Roman Schnabel is a faculty member at the University of Hamburg, Germany. His research spans several areas, including gravitational wave observatories, quantum optics, and coherent noise suppression techniques. Recent articles by Prof. Dr. Schnabel showcase his contributions to the enhancement of cosmological reach through advanced methods and the generation of tomographic data for quantum states.

Articles (22)

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2025

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2021

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2021

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2021

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2020

Collaborators (17)

Fabian Meylahn

Max Planck Institute for Gravitational Physics

GERMANY

Roman Schnabel

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Articles (22)

Improving cosmological reach of a gravitational wave observatory using Deep Loop Shaping

Directly measured squeeze factors over GHz bandwidth from monolithic PPKTP resonators

Generation of tomographic measurement data of mesoscopic quantum states

Coherent noise suppression at high-efficiency wavelength doubling for high-precision experiments

Extended analysis of distillation and purification of squeezed states of light

Sensing the vibration of non-reflective surfaces with 10-dB-squeezed-light enhancement

Measurement of the thermal accommodation coefficient of helium on a crystalline silicon surface at low-temperatures

10-dB squeeze laser tuneable over half a nanometer around 1550 nm

Coherent feedback for quantum expander in gravitational wave observatories

Conversion of 30 W laser light at 1064 nm to 20 W at 2128 nm and comparison of relative power noise

Predicting the motion of a high-Q pendulum subject to seismic perturbations using machine learning

10 dB interferometer enhancement by squeezing of photon shot noise with sub-femtometer resolution and eye-safe optical power

Heterodyne laser Doppler vibrometer with squeezed light enhancement

Mitigating Quantum Decoherence in Force Sensors by Internal Squeezing

Multistep Two-Copy Distillation of Squeezed States via Two-Photon Subtraction

Mechanical parametric feedback-cooling for pendulum-based gravity experiments

Macroscopic quantum mechanics in gravitational-wave observatories and beyond

The “Squeeze Laser”

Squeezed light at 2128 nm for future gravitational-wave observatories

Full monitoring of ensemble trajectories with 10 dB-sub-Heisenberg imprecision

Gas cooling of test masses for future gravitational-wave observatories

Highly efficient generation of coherent light at 2128 nm via degenerate optical-parametric oscillation

Collaborators (17)

Fabian Meylahn

Volker Quetschke

eyal schwartz

Craig Cahillane

Alexander Franke

Ludwig Mathey

B. J. J. Slagmolen

Rodica Martin

alberto vecchio

Carl Blair

David Tanner

Michael Zucker

Liyuan Zhang

Brian Lantz

Michael Ross

Naoki Aritomi

Mikhail Korobko

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