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We describe a simple method for observing high-contrast coherent population trapping signals on the Cs D1 line. The high-contrast signals were achieved by use of a bichromatic linear polarized light (lin || lin field).
CPT, coherent population trapping, laser spectroscopy
Citation
Watabe, K.
, Ikegami, T.
, Takamizawa, A.
, Yanagimachi, S.
, Ohshima, S.
and Knappe, S.
(2008),
Dark Resonance in Bichromatic Linearly Polarized Optical Field on Cs D<sub>1</sub> Line, Proc. 2008 IEEE Freq. Cont. Symp., Honolulu, HI, US, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=842506
(Accessed October 20, 2025)