4.5 Article

Fiber-coupled vapor cell for a portable Rydberg atom-based radio frequency electric field sensor

Journal

APPLIED OPTICS
Volume 57, Issue 22, Pages 6456-6460

Publisher

OPTICAL SOC AMER
DOI: 10.1364/AO.57.006456

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Funding

  1. National Institute of Standards and Technology (NIST), Embedded Standards Program
  2. Defense Advanced Research Projects Agency (DARPA)
  3. QuASAR Program

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We demonstrate a movable, Rydberg atom-based radio frequency (RF) electric (E) field probe. The technique is based on electromagnetically induced transparency and Autler-Townes splitting. Two fibers attached to a 10 mm cubic Cs-133 vapor cell are used to couple counter-propagating probe and control lasers through the cell. This all-dielectric fiber-coupled sensor can be moved from the optics table to locations more suitable for RF (gigahertz to sub-terahertz) E-field measurements and calibrations. (C) 2018 Optical Society of America

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