Atom-interferometric gravitational-wave detection using heterodyne laser links

Jason M. Hogan and Mark A. Kasevich
Phys. Rev. A 94, 033632 – Published 28 September 2016

Abstract

We propose a gravitational-wave detection method based on heterodyne laser links and light-pulse atom interferometry that enables high sensitivity gravitational-wave detection in the 0.1-mHz to 1-Hz frequency band using a single, long (>108 m), detector baseline. The detection baseline in previous atom-based proposals was constrained by the need for a reference laser to remain collimated over the optical propagation path between two satellites. Here we circumvent this requirement by employing a strong local oscillator laser near each atom ensemble that is phase referenced or phase locked to the reference laser beam. Longer baselines offer a number of potential advantages, including enhanced sensitivity, simplified atom optics, and reduced atomic source flux requirements.

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  • Received 22 March 2015
  • Revised 17 August 2016

DOI:https://doi.org/10.1103/PhysRevA.94.033632

©2016 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalGravitation, Cosmology & Astrophysics

Authors & Affiliations

Jason M. Hogan and Mark A. Kasevich

  • Department of Physics, Stanford University, Stanford, California 94305, USA

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Issue

Vol. 94, Iss. 3 — September 2016

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