Spatially resolved spectroscopy of alkali metal vapour diffusing inside hollow-core photonic crystal fibres

Abstract

We present a new type of compact and all-glass based vapour cell integrating hollow-core photonic crystal fibres. The absence of metals, as in a traditional vacuum chamber and the much more compact geometry allows for fast and homogeneous heating. As a consequence we can fill the fibres on much faster timescales, ranging from minutes to hours. Additionally the all-glass design ensures optical access along the fibre. This allows live monitoring of the diffusion of rubidium atoms inside the hollow-core by measuring the frequency-dependent fluorescence from the atoms. The atomic density is numerically retrieved using a 5-level system of Bloch-equations.

9 pages, 5 figures

References in corpus (5)

• Strong relative intensity squeezing by 4-wave mixing in Rb vapor
• Waveguide-coupled Rydberg spectrum analyzer from 0 to 20 GHz
• Low-Light-Level Optical Interactions with Rubidium Vapor in a Photonic Bandgap Fiber
• ElecSus: A program to calculate the electric susceptibility of an atomic ensemble
• An atomic Faraday beam splitter for light generated from pump degenerate four-wave mixing in a hollow-core photonic crystal fiber

Cited by in corpus (5)

• Low-loss, compact, fibre-integrated cell for quantum memories
• Quantum squeezing via self-induced transparency in a photonic crystal fiber
• Fast, low-loss all-optical phase modulation in warm rubidium vapour
• Squeezing via self-induced transparency in mercury-filled photonic crystal fibers
• Benchmarking quantum phase-space methods for near-resonant light propagation