Electromagnetically induced transparency in Rb-filled coated hollow-core photonic crystal fiber

Light, P.S.; Benabid, Fetah; Couny, F.; Maric, M.; Luiten, André

doi:10.1364/ol.32.001323

Cited by 81 publications

(49 citation statements)

References 14 publications

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“…Atomic or molecular gasses can be inserted into the core of this photonic waveguide, and PCFs filled with various roomtemperature atomic or molecular gasses have been used for a wide range of applications, such as spectroscopy [12][13][14], nonlinear optics at low light levels [15][16][17][18][19], and gas sensing [20].…”

Section: Introductionmentioning

confidence: 99%

Laser-cooled atoms inside a hollow-core photonic-crystal fiber

et al. 2011

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We describe the loading of laser-cooled rubidium atoms into a single-mode hollow-core photoniccrystal fiber. Inside the fiber, the atoms are confined by a far-detuned optical trap and probed by a weak resonant beam. We describe different loading methods and compare their trade-offs in terms of implementation complexity and atom-loading efficiency. The most efficient procedure results in loading of ∼30,000 rubidium atoms, which creates a medium with optical depth ∼180 inside the fiber. Compared to our earlier study [1] this represents a six-fold increase in maximum achieved optical depth in this system.

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Section: Introductionmentioning

confidence: 99%

Laser-cooled atoms inside a hollow-core photonic-crystal fiber

et al. 2011

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“…29 While cells with diameters from a few to tens of centimeters are typically employed, miniature millimeter-sized cells with paraffin coating have also been explored. 30 In addition, similar coatings with silicon head groups have been used in magneto-optical traps, [31][32][33][34] hollow photonic fibers, 35,36 and noble-gas-atom optical pumping cells. 37,38 Alkali atoms in the vapor phase depolarize upon contact with the bare surface of a glass container, limiting the coherence lifetime of the spin ensemble.…”

Section: Introductionmentioning

confidence: 99%

Investigation of antirelaxation coatings for alkali-metal vapor cells using surface science techniques

Seltzer¹,

Michalak²,

Donaldson³

et al. 2010

The Journal of Chemical Physics

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Many technologies based on cells containing alkali-metal atomic vapor benefit from the use of anti-relaxation surface coatings in order to preserve atomic spin polarization. In particular, paraffin has been used for this purpose for several decades and has been demonstrated to allow an atom to experience up to 10,000 collisions with the walls of its container without depolarizing, but the details of its operation remain poorly understood. We apply modern surface and bulk techniques to the study of paraffin coatings, in order to characterize the properties that enable the effective preservation of alkali spin polarization. These methods include Fourier transform infrared spectroscopy, differential scanning calorimetry, atomic force microscopy, near-edge X-ray absorption fine structure spectroscopy, and X-ray photoelectron spectroscopy. We also compare the light-induced atomic desorption yields of several different paraffin materials. Experimental results include the determination that crystallinity of the coating material is unnecessary, and the detection of C=C double bonds present within a particular class of effective paraffin coatings. Further study should lead to the development of more robust paraffin anti-relaxation coatings, as well as the design and synthesis of new classes of coating materials.

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“…A particular advantage of the sensors is their increased sensitivity due to long interaction length and enhanced nonlinear interaction thanks to the strong confinement of light. With a strong coupling between light and gas, long interaction length, and high quality of the light beam such nonlinear effects as stimulated Raman scattering [13], electromagnetically induced transparency [14], slow light-pulse propagation [15] may be observed already with ultra-low light powers.…”

Section: Introductionmentioning

confidence: 99%

Evolution of the diffraction pattern during the transition from the near-field toward the far-field region

Grabka¹,

Pustelny²,

Wajnchold³

et al. 2011

Bulletin of the Polish Academy of Sciences: Technical Sciences

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Abstract. In the paper we experimentally and theoretically analyze diffraction of light propagating through a microstructured optical fiber on the fiber end face. In the measurements the diffracting light is spatially inhomogeneous and the diffracting object is a solid-state core with a triangular shape. Application of optical system enables detailed experimental investigations of evolution diffraction pattern in the near-field region, in particular, rotation of the observed structure while departing from the fiber end. The experimental results are confirmed with theoretical simulations based on the theory of the Fresnel diffraction.

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Electromagnetically induced transparency in Rb-filled coated hollow-core photonic crystal fiber

Cited by 81 publications

References 14 publications

Laser-cooled atoms inside a hollow-core photonic-crystal fiber

Laser-cooled atoms inside a hollow-core photonic-crystal fiber

Investigation of antirelaxation coatings for alkali-metal vapor cells using surface science techniques

Evolution of the diffraction pattern during the transition from the near-field toward the far-field region

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