New design of a triplexer using ring resonator integrated with directional coupler based on photonic crystals

Yaw-Dong Wu; Tien-Tsorng Shih; Jian-Jang Lee

doi:10.1117/12.851554

2 December 2009 New design of a triplexer using ring resonator integrated with directional coupler based on photonic crystals

Yaw-Dong Wu, Tien-Tsorng Shih, Jian-Jang Lee

Author Affiliations +

Proceedings Volume 7631, Optoelectronic Materials and Devices IV; 763123 (2009) https://doi.org/10.1117/12.851554
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

Abstract

In this paper, we proposed the design of directional coupler integrated with ring resonator based on two-dimensional photonic crystals (2D PCs) to develop a triplexer filter. It can be widely used as the fiber access network element for multiplexer-demultiplexer wavelength selective in fiber-to-the-home (FTTH) communication systems. The directional coupler is chosen to separate the wavelengths of 1490nm and 1310nm. The ring resonator separates the wavelength of 1550nm. The transmission efficiency is larger than 90%. Besides, the total size of propose triplexer is only 19μm×12μm. We present simulation results using the finite-difference time-domain (FDTD) method for the proposed structure.

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Yaw-Dong Wu, Tien-Tsorng Shih, and Jian-Jang Lee "New design of a triplexer using ring resonator integrated with directional coupler based on photonic crystals", Proc. SPIE 7631, Optoelectronic Materials and Devices IV, 763123 (2 December 2009); https://doi.org/10.1117/12.851554

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