Design of reconfigurable optical add/drop multiplexer based on two-dimensional photonic crystals

Hongliang Ren; Weisheng Hu; Yaohui Jin; Chun Jiang

doi:10.1117/1.3036938

1 December 2008 Design of reconfigurable optical add/drop multiplexer based on two-dimensional photonic crystals

Hongliang Ren, Weisheng Hu, Yaohui Jin, Chun Jiang

Author Affiliations +

Optical Engineering, Vol. 47, Issue 12, 123001 (December 2008). https://doi.org/10.1117/1.3036938

Abstract

A reconfigurable optical add/drop multiplexer (R-OADM) device is proposed based on 2-D photonic crystals (2-D PCs) with a triangular lattice of air holes. It consists of channel add/drop filters, two bends with 120-deg bending angles, and a 2×2 directional coupler switch. Chirp structures are introduced in the directional coupler switch to improve its extinction ratio. At λ=1550 nm, the device is ultracompact with a net footprint 30×22 µm, excluding its external device. It is far smaller in size than other corresponding devices implemented through ring resonators. The device is numerically calculated by the finite-difference time-domain (FDTD) method, and simulation results confirm that the R-OADM device can be used for dynamically wavelength routing.

©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Hongliang Ren, Weisheng Hu, Yaohui Jin, and Chun Jiang "Design of reconfigurable optical add/drop multiplexer based on two-dimensional photonic crystals," Optical Engineering 47(12), 123001 (1 December 2008). https://doi.org/10.1117/1.3036938

Published: 1 December 2008

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