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1篇 您的检索式:作者名="Roman Schnabel"
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1Quantum expander for gravitational-wave observatories显示文摘The quantum uncertainty of laser light limits the sensitivity of gravitational-wave observatories.Over the past 30 years,techniques for squeezing the quantum uncertainty,as well as for enhancing gravitational-wave signals with optical resonators have been invented.Resonators,however,have finite linewidths,and the high signal frequencies that are produced during the highly scientifically interesting ring-down of astrophysical compact-binary mergers still cannot be resolved.Here,we propose a purely optical approach for expanding the detection bandwidth.It uses quantum uncertainty squeezing inside one of the optical resonators,compensating for the finite resonators’linewidths while keeping the low-frequency sensitivity unchanged.This quantum expander is intended to enhance the sensitivity of future gravitational-wave detectors,and we suggest the use of this new tool in other cavity-enhanced metrological experiments.Mikhail Korobko Yiqiu Ma Yanbei Chen Roman Schnabel 2019Light(Science & Applications)2019,8,1:1
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