Laser power stabilization via radiation pressure

authored by: Marina Trad Nery, Jasper R. Venneberg, Nancy Aggarwal, Garrett D. Cole, Thomas Corbitt, Jonathan Cripe, Robert Lanza, Benno Willke
Abstract: This Letter reports the experimental realization of a novel, to the best of our knowledge, active power stabilization scheme in which laser power fluctuations are sensed via the radiation pressure driven motion they induce on a movable mirror. The mirror position and its fluctuations were determined by means of a weak auxiliary laser beam and a Michelson interferometer, which formed the in-loop sensor of the power stabilization feedback control system. This sensing technique exploits a nondemolition measurement, which can result in higher sensitivity for power fluctuations than direct, and hence destructive, detection. Here we used this new scheme in a proof-of-concept experiment to demonstrate power stabilization in the frequency range from 1 Hz to 10 kHz, limited at low frequencies by the thermal noise of the movable mirror at room temperature.
Organisation(s): Institute of Gravitation Physics
QuantumFrontiers
External Organisation(s): Max Planck Institute for Gravitational Physics (Albert Einstein Institute)
LIGO Laboratory
Louisiana State University
Thorlabs
Type: Article
Journal: Optics letters
Volume: 46
Pages: 1946-1949
No. of pages: 4
ISSN: 0146-9592
Publication date: 14.04.2021
Publication status: Published
Peer reviewed: Yes
ASJC Scopus subject areas: Atomic and Molecular Physics, and Optics
Electronic version(s): https://doi.org/10.1364/OL.422614 (Access: Closed)

BibTeX

@article{d2d569281b094f7d9fbef145ad1a3c6b,
title = "Laser power stabilization via radiation pressure",
abstract = "This Letter reports the experimental realization of a novel, to the best of our knowledge, active power stabilization scheme in which laser power fluctuations are sensed via the radiation pressure driven motion they induce on a movable mirror. The mirror position and its fluctuations were determined by means of a weak auxiliary laser beam and a Michelson interferometer, which formed the in-loop sensor of the power stabilization feedback control system. This sensing technique exploits a nondemolition measurement, which can result in higher sensitivity for power fluctuations than direct, and hence destructive, detection. Here we used this new scheme in a proof-of-concept experiment to demonstrate power stabilization in the frequency range from 1 Hz to 10 kHz, limited at low frequencies by the thermal noise of the movable mirror at room temperature.",
author = "Nery, {Marina Trad} and Venneberg, {Jasper R.} and Nancy Aggarwal and Cole, {Garrett D.} and Thomas Corbitt and Jonathan Cripe and Robert Lanza and Benno Willke",
note = "Funding Information: Funding. FP7 People: Marie-Curie Actions (606176); National Science Foundation (PHY-1806634); Deutsche Forschungsgemeinschaft (EXC-2123 Quantum Frontiers 390837967).",
year = "2021",
month = apr,
day = "14",
doi = "10.1364/OL.422614",
language = "English",
volume = "46",
pages = "1946--1949",
journal = "Optics letters",
issn = "0146-9592",
publisher = "OSA - The Optical Society",
number = "8",
}