Tunable terahertz optical bistability and multistability in photonic metamaterial multilayers containing nonlinear dielectric slab and graphene sheet

Wen, Chao-Peng; Liu, Wei; Wu, Jianwei

doi:10.1007/s00339-020-03606-2

Cited by 14 publications

(1 citation statement)

References 41 publications

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“…The results presented can be used as a summary useful for a wide range of future studies devoted to the search and choice of the media to be employed for different manipulation devices, all-optical switching for routing, modulation and control of THz signals, i.e., [41], as well as high-harmonic generation [42] in the THz range. The information provided in this article serves as a platform for material development and study, i.e., 2D materials, metamaterials [43], and liquid media [9], which have a potential to be used in nonlinear THz devices.…”

Section: Discussionmentioning

confidence: 99%

Estimations of Low-Inertia Cubic Nonlinearity Featured by Electro-Optical Crystals in the THz Range

et al. 2020

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Despite the growing interest in nonlinear devices and components for light by light control in the terahertz range, there is a shortage of such materials and media used for these purposes. Here, we present the calculated values of low-inertia nonlinear refractive index coefficient for electro-optical crystals used in THz time-domain spectroscopy systems such as ZnSe, ZnTe, CdTe, GaP, and LiNbO3. The medium parameters affecting the cubic nonlinearity of the vibrational nature increase in the range of 0.5–1 THz have been determined. Comparison of theoretical calculations with known experimental results confirm the theoretical model as well as our analysis of media parameter influence on the cubic nonlinearity. In terms of applications, results obtained open up new perspectives for studying various materials in the THz frequency range.

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