Saturation spectroscopy of iodine in hollow-core optical fiber

Anna Lurie (1) , P. Light (1) , James Anstie (1) , Thomas Stace (2) , Paul Abbott (1) , Fetah A. Benabid (3, 4) , A. Luiten (1, 5)

1 UWA - The University of Western Australia
2 UQ [All campuses : Brisbane, Dutton Park Gatton, Herston, St Lucia and other locations] - The University of Queensland
3 XLIM-PHOTONIQUE - PHOTONIQUE
4 University of Bath [Bath]
5 University of Adelaide

We present high-resolution spectroscopy of I2 vapor that is loaded and trapped within the core of a hollow-core photonic crystal fiber (HC-PCF). We compare the observed spectroscopic features to those observed in a conventional iodine cell and show that the saturation characteristics differ significantly. Despite the confined geometry it was still possible to obtain sub-Doppler features with a spectral width of ∼6 MHz with very high contrast. We provide a simple theory which closely reproduces all the key observations of the experiment.

Domaines: Optique / photonique

Anna Lurie, P. Light, James Anstie, Thomas Stace, Paul Abbott, et al.. Saturation spectroscopy of iodine in hollow-core optical fiber. Optics Express, 2012, 20 (11), pp.11906. ⟨hal-00924857⟩