Figure 5
From: Strip-loaded Mach–Zehnder interferometer for absolute refractive index sensing
(a) Normalized transmittance at Y-branch splitter outputs as a function of the S-bend length for both the sample arm (plus blue curve) and reference arm (dotted red curve). (b) Electric field distribution along the Y-branch splitter with an S-bend length of 150 \(\upmu \)m. The gap between the two arms is 50 \(\upmu \)m.
