High quality electromagnetically induced transparency spectroscopy of <sup>87</sup>Rb in a buffer gas cell with a magnetic field

High quality electromagnetically induced transparency spectroscopy of ⁸⁷Rb in a buffer gas cell with a magnetic field

Cheng Hong^{1, 2}, Wang Han-Mu^{1, 2}, Zhang Shan-Shan^{1, 2}, Xin Pei-Pei^{1, 2}, Luo Jun^{1, 2}, Liu Hong-Ping^{1, 2, †}

(color online) The experimental observation of the EIT spectra without and with buffer gas. The coupling laser is locked to the crossover between and 2.