Optimizing the regimes of Advanced LIGO gravitational wave detector for multiple source types

Abstract

We develop here algorithms which allow to find regimes of signal-recycled Fabry-Perot--Michelson interferometer (for example, Advanced LIGO), optimized concurrently for two (binary inspirals + bursts) and three (binary inspirals + bursts + millisecond pulsars) types of gravitational waves sources. We show that there exists a relatevely large area in the interferometer parameters space where the detector sensitivity to the first two kinds of sources differs only by a few percent from the maximal ones for each kind of source. In particular, there exists a specific regime where this difference is ~0.5 for both of them. Furthermore we show that even more multipurpose regimes are also possible, that provide significant sensitivity gain for millisecond pulsars with only minor sensitivity degradation for binary inspirals and bursts.

10 pages, 14 figures, 3 tables. Minor corrections in main text are done in version 2 and two plots and one table are added for the sake of clarity of the obtained results

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Cited by in corpus (5)

• Quantum Measurement Theory in Gravitational-Wave Detectors
• Advanced quantum techniques for future gravitational-wave detectors
• Increasing the sensitivity of future gravitational-wave detectors with double squeezed-input
• Gravitational-wave astronomy: Observational results and their impact
• Trade-off between quantum and thermal fluctuations in mirror coatings yields improved sensitivity of gravitational-wave interferometers