Figure 3
From: Design of polarization-insensitive high-visibility silicon-on-insulator quantum interferometer
The normalized transmittances of the proposed beam splitter versus (a) MMI width (b) MMI length (c) gap width of two output waveguides (d) wavelength. TE polarization and Channel 1: red diamond; TE polarization and Channel 2: red solid; TM polarization and Channel 1: blue circle; TM polarization and Channel 2: blue dashed.
