Can I read Temperature-dependent Goos-Hänchen shifts in a symmetrical graphene-cladding waveguide on EtoBox?

Temperature-dependent Goos-Hänchen shifts in a symmetrical graphene-cladding waveguide by Xiang Zhou; Peng Tang; Chenfei Yang; Shuoqing Liu; Zhaoming Luo is a Engineering article available to read on EtoBox.

What is Temperature-dependent Goos-Hänchen shifts in a symmetrical graphene-cladding waveguide about?

We theoretically investigate the temperature-dependent Goos-Hänchen (GH) shifts in a symmetrical graphene-cladding waveguide (SGCW). The GH shifts in SGCW present a quasi-periodic tendency near the resonance angle with the change of temperature, which can mainly be attributed to the temperature dependence of the guiding layer’s thickness, instead of the graphene intraband conductivity and guiding layer’s refractive index. Importantly, tiny temperature fluctuations can cause significant deviations in GH shifts, and the deviations can be efficiently improved by adjusting the Fermi energy. Therefore, we propose a high-sensitivity temperature sensing scheme based on GH shifts in the SGCW, and the maximum sensitivity can reach up to −2.2 × 105 μ m/ ° C. These researches may open avenues for applications of optical temperature sensors.

Who reads Temperature-dependent Goos-Hänchen shifts in a symmetrical graphene-cladding waveguide?

Author

Xiang Zhou; Peng Tang; Chenfei Yang; Shuoqing Liu; Zhaoming Luo

Publisher

Elsevier BV

Published

2021

Language

EN

Field

Engineering (Physical Sciences)