Photonic Crystal Single Channel Side-Coupled Waveguide with Parallel Resonators

Naidi, 崔乃迪 Cui; Jingqiu, 梁静秋 Liang; Zhongzhu, 梁中翥 Liang; Wei-biao, 王维彪 Wang

doi:10.3788/aos201232.0223001

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2013

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“…With the demand of more and more compact channels to make full use of spectral bandwidth resources, CDFs are improved for smaller scale and more output channels. Up to date, many kinds of CDFs with small scale, high efficiency and flexible design based on PCs have been proposed, such as Fabry-Pérot filters, bandpass filters, add/drop filters and multi-CDFs [5][6][7][8][9]. In this work, we proposed a new two-dimensional photonic crystal channel drop filter based on two-resonant cavities.…”

Section: Introductionmentioning

confidence: 99%

A New Two-Dimensional Photonic Crystal Channel Drop Filter Based on Two-Resonant Cavities

Liu

Zhang

et al. 2013

AMR

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In this paper, a channel drop filter (CDF) is composed of two cubic lattice circular ring resonator cavities and point micro-cavities in a two-dimensional photonic crystal. The photonic band gap is calculated using the plane wave expansion (PWE) method and the optical characteristics of proposed structure are studying by the finite difference time domain (FDTD) method with perfectly matched layers (PMLs) acting as the boundary conditions . Two different wavelengths centered at 1773 nm and 1742 nm have been successful separation in this CDF. These demonstrate that our proposed structure is suitable for photonic integrated circuits (PICs) and coarse wavelength division multiplexing (WDM) optical communication systems.

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Section: Introductionmentioning

confidence: 99%