Quantum enhancement of gravitational wave astronomy

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The project aims to design, build and test a long wavelength ‘squeezed vacuum’ source reducing quantum noise by more than a factor of 10 across the audio frequency band with long term stability and reliability. This quantum technology is one of three key areas of improvement planned for the gravitational wave detector, LIGO Voyager. The project will enhance the sensitivity and the reach of gravitational wave astronomy and cosmology, and improve the fidelity and reach of gravitational wave observations. Technologies developed may find application in other areas of precision measurements and gravitational wave observations .