Dual-band wavelength demultiplexer consisting of SOI based photonic crystals: design and analysis

被引：0
|
作者：
Rawal, Swati [1 ]
Sinha, R. K. [1 ]
机构：
[1] Univ Delhi, Ctr Relevance & Excellence Fiber Opt & Opt Commu, Dept Appl Phys, Delhi Coll Engn,Fac Technol, Delhi 110042, India
来源：
PHOTONIC FIBER AND CRYSTAL DEVICES: ADVANCES IN MATERIALS AND INNOVATIONS IN DEVICE APPLICATIONS II | 2008年 / 7056卷
关键词：
Finite Difference Time Domain (FDTD) method; photonic bandgap; photonic crystal; Silicon-on-insulator (SOI); waveguides; wavelength demultiplexer;
D O I：
10.1117/12.794859
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Dual Band Wavelength Demultiplexer (DBWD) is designed to separate two telecommunication wavelengths, 1.31 mu m and 1.55 mu m utilizing photonic crystals (PhC) in Silicon on Insulator (SOI). The waveguides formed in such PhC structures confine light horizontally by a photonic bandgap and vertically by total internal reflection. Plane Wave Expansion (PWE) method and Finite Difference Time Domain method are used to design and analyze the DBWD in Y type PhC. Numerical analysis indicates that the separation of two wavelengths with enhanced extinction ratio, transmittance and quality factor can be achieved, which confirms the superior performance of the proposed design of DBWD
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页数：6
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