@article{oai:ynu.repo.nii.ac.jp:00009849,
 author = {Morohashi, Isao and Katayama, Ikufumi and Kirigaya, Mayu and Irimajiri, Yoshihisa and Sekine, Norihiko and Hosako, Iwao},
 issue = {3},
 journal = {Optics letters},
 month = {Feb},
 note = {Using a frequency-tunable optical comb generated from a Mach–Zehnder-modulator-based flat comb generator (MZ-FCG) and a nonlinear optical fiber, we demonstrated a frequency measurement of continuous terahertz wave sources with the frequency of 0.1 and 0.6 THz by an electro-optic sampling method. We clearly observed beat signals between the terahertz source and the optical two-tone extracted from the optical comb, allowing us to determine the absolute frequency. Owing to the wide comb spacing of the MZ-FCG, this method has a high potential for the high-speed measurement of the frequency of terahertz wave sources.},
 pages = {487--490},
 title = {High precision frequency measurement of terahertz waves using optical combs from a Mach–Zehnder-modulator-based flat comb generator},
 volume = {44},
 year = {2019}
}