Demonstration of displacement- and frequency-noise-free laser interferometry using bidirectional Mach-Zehnder Interferometers

Sato, Shuichi, Kokeyama, Keiko ORCID: https://orcid.org/0000-0002-2896-1992, Ward, Robert L., Kawamura, Seiji, Chen, Yanbei, Pai, Archana and Somiya, Kentaro 2007. Demonstration of displacement- and frequency-noise-free laser interferometry using bidirectional Mach-Zehnder Interferometers. Physical Review Letters 98 (14) , 141101. 10.1103/PhysRevLett.98.141101

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Abstract

We have demonstrated displacement- and frequency-noise-free laser interferometry (DFI) by partially implementing a recently proposed optical configuration using bidirectional Mach-Zehnder interferometers (MZIs). This partial implementation, the minimum necessary to be called DFI, has confirmed the essential feature of DFI: the combination of two MZI signals can be carried out in a way that cancels displacement noise of the mirrors while maintaining gravitational-wave signals. The attained maximum displacement-noise suppression was 45 dB.

Item Type:	Article
Date Type:	Publication
Schools:	Physics and Astronomy
Publisher:	American Physical Society
ISSN:	0031-9007
Date of First Compliant Deposit:	19 March 2021
Date of Acceptance:	27 August 2006
Last Modified:	06 May 2023 07:36
URI:	https://orca.cardiff.ac.uk/id/eprint/139938

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