Hermetic optical-fiber iodine frequency standard

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 I 127 transition using modul...

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Bibliographic Details
Published in:Optics letters 2015-06, Vol.40 (12), p.2703-2706
Main Authors: Light, Philip S, Anstie, James D, Benabid, Fetah, Luiten, Andre N
Format: Article
Language:English
Subjects:
Crystal fibers
Engineering Sciences
Frequency stability
Frequency standards
Iodine
Lasers
Modulation
Optical frequency
Optics
Photonic
Photonic crystals
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Summary: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 I 127 transition using modulation transfer spectroscopy shows a frequency stability of 3×10(-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.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.40.002703