The sensitivity of future gravitational wave (GW) detectors, such as the Einstein Telescope (ET), is constrained by quantum noise across the entire frequency range (10 Hz–10 kHz) and by magnetic noise at low frequencies (a few Hz to around 100 Hz). This article examines optimizing mechanisms to achieve efficient squeezing for reducing quantum noise, and also highlights the need to mitigate magnetic noise, through ongoing strategies.
Future gravitational wave detectors: Phase noise investigation and magnetic noise mitigation strategies
Garaventa B.;Ali W.;Sorrentino F.;Chincarini A.;Armato F.;De Rosa R.;Paoletti F.;
2024-01-01
Abstract
The sensitivity of future gravitational wave (GW) detectors, such as the Einstein Telescope (ET), is constrained by quantum noise across the entire frequency range (10 Hz–10 kHz) and by magnetic noise at low frequencies (a few Hz to around 100 Hz). This article examines optimizing mechanisms to achieve efficient squeezing for reducing quantum noise, and also highlights the need to mitigate magnetic noise, through ongoing strategies.
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