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 $\sigma$-polarized optical field in ${}^{87}$Rb atoms. Our experimental results show t…