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Frequency locking: a distinctive feature of the coherent population trapping and the stationarity effect
E. A. Tsygankov, D. S. Chuchelov, M. I. Vaskovskaya +3
We study the case where phase modulation of the harmonic signal is used to obtain the error signal for the frequency stabilization to a reference atomic transition. High-frequency…
Effect of depolarizing and quenching collisions on contrast of the coherent population trapping resonance
K. M. Sabakar, M. I. Vaskovskaya, D. S. Chuchelov +4
We investigate the effect of buffer gases on the coherent population trapping resonance induced by a -polarized optical field in Rb atoms. Our experimental results show t…
Intensity nonlinearity of the error-signal frequency shift in the modulation spectroscopy of dark resonances and approaches to its reduction
E. A. Tsygankov, S. V. Petropavlovsky, M. I. Vaskovskaya +5
We have found that the error-signal frequency corresponding to the coherent population trapping resonance can be displaced from that of "" transition unperturbed by the optica…