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A Broadband Squeezed Light Source for Table-Top Interferometry
Fabio Bergamin, Nikitha Kuntimaddi, Abhinav Patra +5
We report on the characterisation of one of two broadband squeezed light sources developed for the Quantum Enhanced Space-Time (QUEST) experiment, using balanced homodyne detection…
Single-Element Dual-Interferometer for Precision Inertial Sensing: Sub-picometer Structural Stability and Performance as a Reference for Laser Frequency Stabilization
Victor Huarcaya, Miguel Dovale Álvarez, Kohei Yamamoto +7
To reach sub-picometer sensitivity in the millihertz range, displacement sensors based on laser interferometry require suppression of laser-frequency noise by several orders of mag…
fractional laser frequency stability with a 7-cm unequal-arm Mach-Zehnder interferometer
Victor Huarcaya, Miguel Dovale Álvarez, Daniel Penkert +7
To achieve sub-picometer sensitivities in the millihertz band, laser interferometric inertial sensors rely on some form of reduction of the laser frequency noise, typically by lock…
Characterization and evasion of backscattered light in the squeezed-light enhanced gravitational wave interferometer GEO 600
Fabio Bergamin, James Lough, Emil Schreiber +15
Squeezed light is injected into the dark port of gravitational wave interferometers, in order to reduce the quantum noise. A fraction of the interferometer output light can reach t…
Optomechanical resonator-enhanced atom interferometry
L. L. Richardson, D. Nath, A. Rajagopalan +16
Matter-wave interferometry and spectroscopy of optomechanical resonators offer complementary advantages. Interferometry with cold atoms is employed for accurate and long-term stabl…