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Clock Noise Cancellation in Heterodyne Links between Optical Cavities for Space-Borne Gravitational-Wave Telescopes
Yutaro Enomoto, Subaru Shibai, Kiwamu Izumi
Space-borne gravitational-wave telescopes are key to extend the observation band below . The use of inter-satellite optical cavities linked by heterodyne interfero…
The Timing System of LIGO Discoveries
Andrew G. Sullivan, Yasmeen Asali, Zsuzsanna Márka +18
LIGO's mission critical timing system has enabled gravitational wave and multi-messenger astrophysical discoveries as well as the rich science extracted. Achieving optimal detector…
A back-linked Fabry-Perot interferometer for space-borne gravitational wave observations
Kiwamu Izumi, Masa-Katsu Fujimoto
Direct observations of gravitational waves at frequencies below 10 Hz will play crucial roles for fully exploiting the potential of gravitational wave astronomy. One approach to pu…
Design and experimental demonstration of a laser modulation system for future gravitational-wave detectors
Kohei Yamamoto, Keiko Kokeyama, Yuta Michimura +12
Detuning the signal-recycling cavity length from a cavity resonance significantly improves the quantum noise beyond the standard quantum limit, while there is no km-scale gravitati…
Improving astrophysical parameter estimation via offline noise subtraction for Advanced LIGO
J. C. Driggers, S. Vitale, A. P. Lundgren +228
The Advanced LIGO detectors have recently completed their second observation run successfully. The run lasted for approximately 10 months and lead to multiple new discoveries. The…
Systematic calibration error requirements for gravitational-wave detectors via the Cramér-Rao bound
Evan D. Hall, Craig Cahillane, Kiwamu Izumi +2
Gravitational-wave (GW) laser interferometers such as Advanced LIGO transduce spacetime strain into optical power fluctuation. Converting this optical power fluctuations back into…
Calibration Uncertainty for Advanced LIGO's First and Second Observing Runs
Craig Cahillane, Joe Betzwieser, Duncan A. Brown +13
Calibration of the Advanced LIGO detectors is the quantification of the detectors' response to gravitational waves. Gravitational waves incident on the detectors cause phase shifts…
Effects of transients in LIGO suspensions on searches for gravitational waves
M. Walker, T. D. Abbott, S. M. Aston +200
This paper presents an analysis of the transient behavior of the Advanced LIGO suspensions used to seismically isolate the optics. We have characterized the transients in the longi…
Improving LIGO calibration accuracy by tracking and compensating for slow temporal variations
D. Tuyenbayev, S. Karki, J. Betzwieser +9
Calibration of the second-generation LIGO interferometric gravitational-wave detectors employs a method that uses injected periodic modulations to track and compensate for slow tem…
Observation of Parametric Instability in Advanced LIGO
Matthew Evans, Slawek Gras, Peter Fritschel +41
Parametric instabilities have long been studied as a potentially limiting effect in high-power interferometric gravitational wave detectors. Until now, however, these instabilities…
Multi-color Cavity Metrology
Kiwamu Izumi, Koji Arai, Bryan Barr +11
Long baseline laser interferometers used for gravitational wave detection have proven to be very complicated to control. In order to have sufficient sensitivity to astrophysical gr…