Design and analysis of 2-D hexagonal photonic crystal structure based channel drop filter for CWDM system

2015 International Conference on Microwave, Optical and Communication Engineering (ICMOCE) Pub Date : 2015-12-01 DOI:10.1109/ICMOCE.2015.7489721

M. Chhipa, Ekta Rewar

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引用次数: 8

Abstract

In this paper, the design & analysis of two dimensional (2-D) photonic crystal structure based channel drop filter is investigated using photonic crystal ring resonator. In this paper, Photonic Crystal (PhC) based on hexagonal lattice periodic arrays of Gallium Arsenide (GaAs) rods in air structure have been investigated using Finite Difference Time Domain (FDTD) method and photonic band gap is being calculated using Plane Wave Expansion (PWE) method. The PhC designs have been optimized for telecommunication wavelength λ= 1511 nm. The number of rods in X and Z directions are 19 and 23, with lattice constant 0.540 nm it illustrates that the arrangement of Gallium Arsenide (GaAs) rods in the structure which gives the overall size of the device around 10.26 μm × 12.42 μm. The designed filter gives good dropping efficiency using 3.40, refractive index. The designed structure is useful for CWDM systems. This device may serve as a key component in photonic integrated circuits, optical communication networks and metro applications. The device is ultra compact with the overall size around 127 μm2.

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本文利用光子晶体环形谐振器，研究了基于二维光子晶体结构的通道降滤波器的设计与分析。本文利用时域有限差分(FDTD)方法研究了空气结构中砷化镓(GaAs)棒六方晶格周期阵列的光子晶体(PhC)，并利用平面波展开(PWE)方法计算了光子带隙。PhC设计在λ= 1511 nm的通信波长下进行了优化。X和Z方向上的晶棒数分别为19和23个，晶格常数为0.540 nm，说明砷化镓(GaAs)晶棒在结构中的排列方式使器件的整体尺寸约为10.26 μm × 12.42 μm。所设计的滤光片折射率为3.40，具有良好的下降效率。所设计的结构适用于CWDM系统。该器件可作为光子集成电路、光通信网络和城域应用的关键器件。该器件的整体尺寸约为127 μm2，体积非常小。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2015 International Conference on Microwave, Optical and Communication Engineering (ICMOCE)

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