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    • Thesis & Design Report, BSc (Electrical and Electronic Engineering)
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    •   BracU IR
    • School of Engineering (SoE)
    • Department of Electrical and Electronic Engineering (EEE)
    • Thesis & Design Report, BSc (Electrical and Electronic Engineering)
    • View Item
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    Optimisation of photonic crystal weveguide based optical filter

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    OPTIMISATION OF PHOTONIC CRYSTAL WAVEGUIDE BASED OPTICAL FILTER.pdf (4.246Mb)
    Date
    2013-04
    Publisher
    BRAC University
    Author
    Islam, Pratik Al
    Sultan, Nameeza
    Nayeem, Seefath
    Metadata
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    URI
    http://hdl.handle.net/10361/2494
    Abstract
    Photonic integrated circuits (PIC) based on Photonic Crystals are becoming increasingly favoured in emerging signal processing and optical communication technologies. Photonic crystals (PhCs) are periodic dielectric micro/nano structures that inhibit propagation of electromagnetic wave of a certain range of frequencies, therefore introducing a frequency band gap, popularly known as photonic band gap. In this thesis, numerical simulation of a photonic crystal based optical filter or demultiplexer is carried out by the introduction of defect rods in a perfectly periodic photonic crystal, whose parameters are chosen using the band gap map. The dimensions of the defect rods are exclusively tailored for the wavelength to be extracted via that channel. Optimisation of the proposed design by changing the number of rods in the defects is also discussed based on the results of the calculations of the Finite Difference Time Domain (FDTD) method.
    Keywords
    Photonic Crystal; Electrical and electronic engineering
     
    Description
    This thesis report is submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Electrical and Electronic Engineering, 2013.
     
    Cataloged from PDF version of thesis report.
     
    Includes bibliographical references (page 53-55).
    Department
    Department of Electrical and Electronic Engineering, BRAC University
    Collections
    • Thesis & Design Report, BSc (Electrical and Electronic Engineering)

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