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Demonstration of displacement-noise-free interferometry using bi-directional Mach–Zehnder interferometers

Sato, S. and Kokeyama, K. and Kawamura, S. and Ward, R. L. and Nishizawa, A. and Chen, Yanbei and Pai, A. and Somiya, K. (2008) Demonstration of displacement-noise-free interferometry using bi-directional Mach–Zehnder interferometers. Classical and Quantum Gravity, 25 (11). Art. No. 114031. ISSN 0264-9381. http://resolver.caltech.edu/CaltechAUTHORS:SATcqg08

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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 bi-directional 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 the displacement noise of the mirrors and beam splitters while maintaining gravitational-wave signals. The attained maximum displacement noise suppression was 45 dB.


Item Type:Article
ORCID:
AuthorORCID
Nishizawa, A.0000-0003-3562-0990
Additional Information:© Institute of Physics and IOP Publishing Limited 2008. Received 5 November 2007, in final form 25 January 2008. Published 15 May 2008. Print publication: Issue 11 (7 June 2008). This research was partially supported by the Japanese Ministry of Education, Culture, Sports, Science and Technology under Grant-in-Aid for Scientific Research (B), No 18340070, 2006. RLW was supported by the US National Science Foundation under Cooperative Agreement No PHY-0107417. The research of YC, AP and KS is supported by the Alexander von Humboldt Foundation’s Sofja Kovalevskaja Programme (funded by the German Ministry of Education and Research). INVITED AMALDI TALK. Special issue: Proceedings of the 18th International Conference on General Relativity and Gravitation (GRG18) and 7th Edoardo Amaldi Conference on Gravitational Waves (Amaldi7), Sydney, Australia, July 2007 http://www.iop.org/EJ/toc/0264-9381/25/11
Group:LIGO
Funders:
Funding AgencyGrant Number
Ministry of Education, Culture, Sports, Science and Technology (MEXT)18340070
NSFPHY-0107417
Alexander von Humboldt FoundationUNSPECIFIED
Issue or Number:11
Record Number:CaltechAUTHORS:SATcqg08
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:SATcqg08
Alternative URL:http://dx.doi.org/10.1088/0264-9381/25/11/114031
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:10561
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:17 May 2008
Last Modified:29 Nov 2016 21:04

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