Stress Induced Effects for Advanced Polarization Control in Silicon Photonics Components

Figure 4

(a) Effective index as a function of the oxide upper-cladding thickness 𝑡_c, for different cladding stress levels 𝜎_film of 0, −200, and −400 MPa, respectively; (b) total modal birefringence Δ𝑛_eff as a function of 𝑡_c and 𝜎_film.

(a)

(b)