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Journal Article

Demonstration of Displacement- and Frequency-Noise-Free Laser Interferometry Using Bidirectional Mach-Zehnder Interferometers

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Chen,  Yanbei
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

Pai,  Archana
Theoretical Gravitational Wave Physics, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons40497

Somiya,  Kentaro
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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prl141101.pdf
(Publisher version), 612KB

0608095v2.pdf
(Preprint), 377KB

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Citation

Sato, S., Kokeyama, K., Ward, R. L., Kawamura, S., Chen, Y., Pai, A., et al. (2007). Demonstration of Displacement- and Frequency-Noise-Free Laser Interferometry Using Bidirectional Mach-Zehnder Interferometers. Physical Review Letters, 98: 141101. Retrieved from http://link.aps.org/abstract/PRL/v98/e141101.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-499F-1
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.