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An initial structure design of MMI 1×8 optical power splitters is reported.The waveguide material is Si-based SiO_2 Ge-doped and deposited by PECVD method.Embedded strip structure is implied in the section design.By using BPM-CAD,a favorable result is obtained that this device has a sound uniformity and fairly low loss.Meanwhile,simulations of designs with certain changed parameters is also implemented for a better design configuration.
An initial structure design of MMI 1 × 8 optical power splitters is reported. The waveguide material is Si-based SiO 2 Ge-doped and deposited by PECVD method. Embedded strip structure is implied in the section design. By using BPM-CAD, a favorable result is obtained that this device has a sound uniformity and fairly low loss.Meanwhile, simulations of designs with certain changed parameters is also implemented for a better design configuration.