Confinement of Bloch surface waves in a graphene-based one-dimensional photonic crystal and sensing applications

Zou Xiu-Juan^{1, 2}, Zheng Gai-Ge^{1, 2, 3, †}, Chen Yun-Yun^{1, 2, 3}

(color online) (a) Schematic diagram of the sensor design, which consists of a prism, 1D PhCs, a graphene monolayer and the bio-solution to be estimated. The incident light is incident at an angle of θ with TM polarization. (b) A more detailed view of a unit cell. The thickness of a unit cell is P.