Coherent population trapping resonances on the D1 line of rubidium

T. Karaulanov; A. Yanev; S. Cartaleva; D. Slavov; N. Petrov; M. M. Mijailovic; Z. D. Grujic; A. J. Krmpot

doi:10.1117/12.726881

5 March 2007 Coherent population trapping resonances on the D₁ line of rubidium

T. Karaulanov, A. Yanev, S. Cartaleva, D. Slavov, N. Petrov, M. M. Mijailovic, Z. D. Grujic, A. J. Krmpot

Proceedings Volume 6604, 14th International School on Quantum Electronics: Laser Physics and Applications; 66040C (2007) https://doi.org/10.1117/12.726881
Event: 14th International School on Quantum Electronics: Laser Physics and Applications, 2006, Sunny Beach, Bulgaria

Abstract

In this communication we present our results related to examination of Coherent Population Trapping resonance profile on the D₁ line of ⁸⁷Rb when coupling two ground-state Zeeman sublevels belonging to different hyperfine ground-state levels to a common excited-state one. For this, two coherent laser fields with frequency difference of about 6.8 GHz are used. The resonance is observed as a narrow dip in the fluorescence in dependence on the modulation frequency (f_m) of the laser light, centered at 2f_m = &Dgr;v_hf , where &Dgr;v_hf is the frequency difference between the ground-state hyperfine levels of Rb. The resonance observation and its splitting in 7 components have been demonstrated under influence of nonshielded laboratory magnetic field (MF). It has been shown that different components are with different sensitivity to the MF gradients that is in agreement with the performed estimations.

Citation Download Citation

T. Karaulanov, A. Yanev, S. Cartaleva, D. Slavov, N. Petrov, M. M. Mijailovic, Z. D. Grujic, and A. J. Krmpot "Coherent population trapping resonances on the D₁ line of rubidium", Proc. SPIE 6604, 14th International School on Quantum Electronics: Laser Physics and Applications, 66040C (5 March 2007); https://doi.org/10.1117/12.726881

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