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Experimental demonstration of a Displacement noise Free Interferometry scheme for gravitational wave detectors showing displacement noise reduction at low frequencies
Antonio Perreca, Simon Chelkowski, Stefan Hild +1
This paper reports an experimental demonstration of partial displacement noise free laser interferometry in the gravitational wave detection band. The used detuned Fabry-Perot cavi…
An Upper Limit on the Stochastic Gravitational-Wave Background of Cosmological Origin
The LIGO Scientific Collaboration, the Virgo Collaboration
A stochastic background of gravitational waves is expected to arise from a superposition of a large number of unresolved gravitational-wave sources of astrophysical and cosmologica…
Optical Detector Topology for Third-Generation Gravitational Wave Observatories
A Freise, S Hild, K Somiya +4
The third generation of gravitational wave observatories, aiming to provide 100 times better sensitivity than currently operating interferometers, is expected to establish the evol…
A Xylophone Configuration for a third Generation Gravitational Wave Detector
Stefan Hild, Simon Chelkowski, Andreas Freise +4
Achieving the demanding sensitivity and bandwidth, envisaged for third generation gravitational wave (GW) observatories, is extremely challenging with a single broadband interferom…
Coupling of lateral grating displacement to the output ports of a diffractive Fabry-Perot cavity
J. Hallam, S. Chelkowski, A. Freise +5
Diffraction gratings have been proposed as core elements in future laser-interferometric gravitational-wave detectors. In this paper, we use a steady-state technique to derive coup…
Prospects of higher-order Laguerre Gauss modes in future gravitational wave detectors
Simon Chelkowski, Stefan Hild, Andreas Freise
The application of higher-order Laguerre Gauss (LG) modes in large-scale gravitational wave detectors has recently been proposed. In comparison to the fundamental mode, some higher…