All polymer asymmetric Mach–Zehnder interferometer waveguide sensor by imprinting bonding and laser polishing

Liu Yu, Sun Yue, Yi Yun-Ji^†, Tian Liang, Cao Yue, Chen Chang-Ming, Sun Xiao-Qiang, Zhang Da-Ming

(color online) Plots of effective refractive index versus SU-8 core layer thickness.