Progress in hollow core photonic crystal fiber for atomic vapour based coherent optics

Abstract : We report on progress in different hollow core photonic crystal fiber (HC-PCF) design and fabrication for atomic vapor based applications. We have fabricated a Photonic bandgap (PBG) guiding HC-PCF with a record loss of 107dB/km at 785nm in this class of fiber. A double photonic bandgap (DPBG) guiding HC-PCF with guidance bands centred at 780nm and 1064nm is reported. A 7-cell 3-ring Kagome HC-PCF with hypocycloid core is reported, the optical loss at 780nm has been reduced to 70dB/km which to the best of our knowledge is the lowest optical loss reported at this wavelength using HC-PCF. Details on experimental loading of alkali metal vapours using a far off red detuned laser are reported. This optical loading has been shown to decrease the necessary loading time for Rb into the hollow core of a fiber. The quantity of Rb within the fiber core has been enhanced by a maximum of 14% through this loading procedure.
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https://hal-unilim.archives-ouvertes.fr/hal-00925072
Contributeur : Frédéric Gerome <>
Soumis le : mardi 7 janvier 2014 - 15:06:38
Dernière modification le : jeudi 11 janvier 2018 - 06:27:26

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  • HAL Id : hal-00925072, version 1

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Thomas D. Bradley, Yingying Wang, Fetah A. Benabid, Meshaal Alharbi, Coralie Fourcade Dutin, et al.. Progress in hollow core photonic crystal fiber for atomic vapour based coherent optics. Photonics West, Jan 2012, San francisco, United States. pp.8273. ⟨hal-00925072⟩

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