Temperature-induced effect on refractive index of graphene based on coated in-fiber Mach

Temperature-induced effect on refractive index of graphene based on coated in-fiber Mach–Zehnder interferometer

Li Li-Jun^{1, 2, 3, †}, Gong Shun-Shun¹, Liu Yi-Lin¹, Xu Lin¹, Li Wen-Xian¹, Ma Qian³, Ding Xiao-Zhe¹, Guo Xiao-Li¹

(color online) (a) Transmission spectrum and (b) nonlinear fitting of dip wavelength and (c) intensity versus temperature in a range from 40 °C to 300 °C for the graphene coating MZI.