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Analysis of a sub-shot-noise power recycled Michelson interferometer

K McKenzie et al 2004 Class. Quantum Grav. 21 S1037-S1043   doi: 10.1088/0264-9381/21/5/098  Help

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K McKenzie, B C Buchler, D A Shaddock, P K Lam and D E McClelland
Department of Physics, Faculty of Science, Australian National University, ACT 0200, Australia
E-mail: kirk.mckenzie@anu.edu.au

Abstract. The sensitivity of interferometric gravitational wave detectors is ultimately limited by the 'quantum noise' of light. In this paper we compare results from a bench-top experiment and a theoretical model which show how squeezed states of light may be used to modify the quantum noise behaviour of a power recycled Michelson interferometer. We develop a simple theoretical model of the experiment and find close agreement of theoretical and experimental results. We measure quantum noise suppression of 2.3 dB and demonstrate the lock stability of the experiment for long periods.

PACS number: 04.80.Nn

Print publication: Issue 5 (7 March 2004)
Received 4 September 2003
Published 12 February 2004

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