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Journal Article

Single-Element Dual-Interferometer for Precision Inertial Sensing: Sub-picometer Structural Stability and Performance as a Reference for Laser Frequency Stabilization

MPS-Authors
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Huarcaya,  Victor
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Alvarez,  Miguel Dovale
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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

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

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

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Martinez Cano,  Pablo
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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

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Delgado,  Juan Jose Esteban
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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

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

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2310.01078.pdf
(Preprint), 5MB

sensors-23-09758-v2.pdf
(Publisher version), 2MB

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Citation

Huarcaya, V., Alvarez, M. D., Yamamoto, K., Yan, Y., Gozzo, S., Martinez Cano, P., et al. (2023). Single-Element Dual-Interferometer for Precision Inertial Sensing: Sub-picometer Structural Stability and Performance as a Reference for Laser Frequency Stabilization. Sensors, 23(24): 9758. doi:10.3390/s23249758.


Cite as: https://hdl.handle.net/21.11116/0000-000E-403F-4
Abstract
To reach sub-picometer sensitivity in the millihertz range, displacement
sensors based on laser interferometry require suppression of laser-frequency
noise by several orders of magnitude. Many optical frequency stabilization
methods exist with varying levels of complexity, size, and performance. In this
paper, we describe the performance of a compact Mach-Zehnder interferometer
based on a monolithic optic. The setup consists of a commercial fiber injector,
a custom-designed pentaprism used to split and recombine the laser beam, and
two photoreceivers placed at the complementary output ports of the
interferometer. The structural stability of the prism is transferred to the
laser frequency via amplification, integration, and feedback of the
balanced-detection signal, achieving a fractional frequency instability better
than 6 parts in $10^{13}$, corresponding to an interferometer pathlength
stability better than $10^{-12}$ m$/\sqrt{\mathrm{Hz}}$.