Light shift of coherent population trapping resonances

Robert Wynands; Anne-Maria Nagel; Dieter Meschede; Boris A. Grishanin; Victor N. Zadkov

doi:10.1117/12.340115

25 February 1999 Light shift of coherent population trapping resonances

Robert Wynands, Anne-Maria Nagel, Dieter Meschede, Boris A. Grishanin, Victor N. Zadkov

Proceedings Volume 3736, ICONO '98: Quantum Optics, Interference Phenomena in Atomic Systems, and High-Precision Measurements; (1999) https://doi.org/10.1117/12.340115
Event: ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, 1998, Moscow, Russian Federation

Abstract

Although the frequency position of the non-coupled state in coherent population trapping does not depend on light intensities, this is not true for the experimentally observed dark resonance minimum. For precision applications, this shift constitutes a major systematic effect. We have measured the light shift in an atomic celsium vapor, as a function of buffer gas pressures. The experimental data for the unbuffered vapor can be reproduced quantitatively with a simple model, taking into account the atomic velocity distribution and the excited state hyperfine structure. The buffered vapor requires a more complicated model.

Citation Download Citation

Robert Wynands, Anne-Maria Nagel, Dieter Meschede, Boris A. Grishanin, and Victor N. Zadkov "Light shift of coherent population trapping resonances", Proc. SPIE 3736, ICONO '98: Quantum Optics, Interference Phenomena in Atomic Systems, and High-Precision Measurements, (25 February 1999); https://doi.org/10.1117/12.340115

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