Abstract

We have built an optical-frequency standard based on interrogating iodine vapor that has been trapped within the hollow core of a hermetically sealed kagome-lattice photonic crystal fiber. A frequency-doubled Nd:YAG laser locked to a hyperfine component of the P(142)37-0 ${}^{127}{\mathrm{I}}_2$ transition using modulation transfer spectroscopy shows a frequency stability of $3\times {10}^{-11}$ at 100 s. We discuss the impediments in integrating this all-fiber standard into a fully optical-fiber-based system, and suggest approaches that could improve performance of the frequency standard substantially.

© 2015 Optical Society of America

High-performance iodine fiber frequency standard

Anna Lurie, Fred N. Baynes, James D. Anstie, Philip S. Light, Fetah Benabid, Thomas M. Stace, and Andre N. Luiten
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Opt. Express 20(11) 11906-11917 (2012)

Absolute frequency references at 1529 and 1560  nm using modulation transfer spectroscopy

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