supported in part by the National "973" Program of China (No.2006CB708310);the National Natural Science Foundation of China (No.60706013);Wuhan National Laboratory for Optoelectronics
We discuss the optimal design of line-tapered multimode interference (MMI) devices using a genetic algorithm (GA). A 1×4 MMI device is designed as a numerical example. Compared with the conventional design based ...
supported by the National Basic Research Program of China (No. 2006CB708310);the National Natural Science Foundation of China (No.60706013);the Creative Foundation of Wuhan National Laboratory for Optoelectronics (No. P080003).
Partial bandgap characteristics of parallelogram lattice photonic crystals are proposed to suppress the radiation modes in a compact dielectric waveguide taper so as to obtain high transmittance in a large wavelength ...
supported by the National Natural Science Foundation of China (Nos. 60578048 and 60706013);the National Basic Research Program of China (No. 2006CB708310);the Creative Foundation of Wuhan National Laboratory for Optoelectronics(No. P080003).
A two-dimensional (2D) optimized nanotaper mode converter is presented and analyzed using the finite- difference time-domain (FDTD) method. It can convert the mode size in a silicon pillar waveguide (PWG) from 4...