Floquet engineering Rydberg sub-THz frequency comb spectroscopy
Floquet engineering Rydberg sub-THz frequency comb spectroscopy
Engineering a Terahertz (THz) frequency comb spectroscopy at atomic level advances the precisely measurement in spectroscopy and sensing. Current progresses on THz frequency comb rely on difference-frequency generation, optical parametric oscillation, and other methods. Generating a THz frequency comb poses challenges in source stability and achieving a narrow bandwidth, which …