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In this work, we demonstrated add drop filter using photonic circular ring resonator. The proposed design incorporated square lattice structure and silicon rods that are enclosed by air. Dropping efficiency and coupling efficiency are explored by utilizing 2D finite-difference time-domain (FDTD). The designed filter gives nearly 100 % of dropping efficiency at 1500 nm and coupling efficiency at 1471 nm with refractive index of 3.47. Photonic band gap of the proposed design has been assessed through plane wave expansion method (PWE).
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- High Performance Add Drop Filter Based on PCRR for ITU-T G.694.2 CWDM System
Pawan Kumar Inaniya
- Springer Singapore