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Journal Article

Optimal pulse propagation in an inhomogeneously gas-filled hollow-core fiber

Authors
/persons/resource/sulzbach

Sulzbach,  Roman
1.3 Earth System Modelling, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Peters,  Thorsten
External Organizations;

Walser,  Reinhold
External Organizations;

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Citation

Sulzbach, R., Peters, T., Walser, R. (2019): Optimal pulse propagation in an inhomogeneously gas-filled hollow-core fiber. - Physical Review A, 100, 013847.
https://doi.org/10.1103/PhysRevA.100.013847


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_4459898
Abstract
We study optical pulse propagation through a hollow-core fiber filled with a radially inhomogeneous cloud of cold atoms. A copropagating control field establishes electromagnetically induced transparency. In analogy to a graded index fiber, the pulse experiences microlensing and the transmission spectrum becomes distorted. Based on a two-layer model of the complex index of refraction, we can analytically understand the cause of the aberration, which is corroborated by numerical simulations for a radial Gaussian-shaped function. With these insights, we show that the spectral distortions can be rectified by choosing an optimal detuning from one-photon resonance.