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Computational Photonics

  • ID: 1473848
  • Book
  • 328 Pages
  • John Wiley and Sons Ltd
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This book explores the state–of–the art in computational modelling techniques for photonic devices

In this book, the author provides a comprehensive coverage of modern numerical modelling techniques for designing photonic devices for use in modern optical telecommunications systems. In addition the book presents the state–of–the–art in computational photonics techniques, covering methods such as full–vectorial finite–element beam propagation, bidirectional beam propagation, complex–envelope alternative direction implicit finite difference time domain, multiresolution time domain, and finite volume time domain. The book guides the reader through the concepts of modelling, analysing, designing and optimising the performance of a wide range of photonic devices by building their own numerical code using these methods.

Key Features:

Provides a thorough presentation of the state–of–the art in computational modelling techniques for photonics

Contains broad coverage of both frequency– and time–domain techniques to suit a wide range of photonic devices

Reviews existing commercial software packages for photonics

Presents the advantages and disadvantages of the different modelling techniques as well as their suitability for various photonic devices

Shows the reader how to model, analyse, design and optimise the performance of a wide range of photonic devices by building their own numerical code using these methods

Accompanying website contains the numerical examples representing the numerical techniques in this book, as well as several design examples ([external URL]

This book will serve as an invaluable reference for researchers, optical telecommunications engineers, engineers in the photonics industry. PhD and MSc students undertaking courses in the areas of photonics and optical telecommunications will also find this book of interest.

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1 Introduction
1.1 Photonics: the countless possibilities of light propagation
1.2 Modelling photonics

2 Full–vectorial Beam Propagation Method
2.1 Introduction
2.2 Overview of the beam propagation methods
2.3 Maxwell s Equations
2.4 Magnetic field formulation of the wave equation
2.5 Electric field formulation of the wave equation
2.6 Perfectly–Matched Layer
2.7 Finite Element Analysis
2.8 Derivation of BPM Equations
2.9 Imaginary–Distance BPM: Mode Solver

3 Assessment of Full–Vectorial Beam Propagation Method
3.1 Introduction
3.2 Analysis of Rectangular waveguide
3.3 Photonic Crystal Fibre
3.4 Liquid Crystal Based Photonic Crystal Fibre
3.5 Electro–optical Modulators
3.6 Switches

4 Bidirectional Beam Propagation Method
4.1 Introduction
4.2 Optical Waveguide Discontinuity Problem
4.3 Finite element analysis of discontinuity problems
4.4 Derivation of Finite Element Matrices
4.5 Application of Taylor s Series Expansion
4.6 Computation of Reflected, Transmitted and Radiation Waves
4.7 Optical fiber–facet problem
4.8 Finite element analysis of optical fiber facets
4.9 Iterative analysis of multiple–discontinuities
4.10 Numerical assessment

5 Complex
–Envelope Alternating
–Implicit Finite Difference Time Domain Method with Assessment
5.1 Introduction
5.2 Maxwell′s equations
5.3 Brief history of Finite Difference Time Domain (FDTD) Method
5.4 Finite Difference Time Domain (FDTD) Method
5.5 –Direction–Implicit FDTD (ADI–FDTD): Beyond the Courant Limit
5.6 Complex–Envelope ADI–FDTD (CE–ADI–
5.7 Perfectly Matched Layer (PML) Boundary Conditions
5.8 Uniaxal Perfectly Matched Layer (UPML) Absorbing Boundary Condition
5.9 PML Parameters
5.10 PML Boundary Conditions for CE–ADI–FDTD
5.11 PhC Resonant Cavities
5.12 5x5 Rectangular Lattice PhC Cavity
5.13 Triangular Lattice PhC Cavity
5.14 Wavelength Division Multiplexing
5.15 Conclusions

6. Finite Volume time Domain (FVTD) Method
6.1 Introduction
6.2 Numerical analysis
6.3 UPWIND Scheme for the Calculation
6.4 NON–DIFFUSIVE Scheme for the Flux Calculation
6.5 2D Formulation of the FVTD Method
6.6 Boundary Conditions
6.7 Nonlinear Optics
6.8 Nonlinear Optical Interactions
6.9 Extension of the FDTD Method to Nonlinear Problems
6.10 Extension of the FVTD Method to Nonlinear Problems
6.11 Conclusions

7 Numerical Analysis of Linear and Nonlinear PhC Based Devices
7.1 Introduction
7.2 FVTD Method Assessment: PhC Cavity
7.3 FVTD Method Assessment: PhC Waveguide
7.4 FVTD Method Assessment: PBG T–Branch
7.5 PhC Multimode Resonant Cavity
7.6 FDTD Analysis of Nonlinear Devices
7.7 FVTD Analysis of Nonlinear Photonic Crystal Wires
7.8 Conclusions

8 Multiresolution Time Domain
8.1 Introduction
8.2 MRTD basics
8.3 MRTD update scheme
8.4 Scaling–MRTD
8.5 Conclusions

9 MRTD Analysis of PhC–Devices
9.1 Introduction
9.2 UPML–MRTD: test and code validation
9.3 MRTD vs FDTD for the analysis of linear photonic crystals
9.4 Conclusions

10 MRTD Analysis of SHG PhC–Devices
10.1 Introduction
10.2 Second harmonic generation in optics
10.3 Extended S–MRTD for SHG analysis
10.4 SHG in PhC–waveguide
10.5 Selective SHG in compound PhC–based structures
10.6 New design for selective SHG: PhC–microcavities coupling
10.7 Conclusions

11 Dispersive Nonlinear MRTD for SHG Applications
11.1 Introduction
11.2 Dispersion analysis
11.3 SHG–MRTD scheme for dispersive materials
11.4 Simulation results
11.5 Conclusions
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Salah Obayya
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