1st Edition

Nonlinear Optics Principles and Applications

    349 Pages 81 B/W Illustrations
    by CRC Press

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    Explores the Fundamental Aspects of Nonlinear Optics

    As nonlinear optics further develops as a field of research in electromagnetic wave propagation, its state-of-the-art technologies will continue to strongly impact real-world applications in a variety of fields useful to the practicing scientist and engineer. From basic principles to examples of applications, Nonlinear Optics: Principles and Applications effectively bridges physics and mathematics with relevant applied material for real-world use. The book progresses naturally from fundamental aspects to illustrative examples, and presents a strong theoretical foundation that equips the reader with enough knowledge to recognize, understand, and evaluate nonlinear optical phenomena.

    Structured so that the first five chapters are dedicated to the description of the fundamental formalism of nonlinear optics, and the last five chapters are devoted to a description of practical devices based on nonlinear phenomena, it describes nonlinear wave propagation in bulk and in waveguiding structures, and includes specific examples of applied nonlinear wave propagation through crystals, optical waveguides, and optical fibers. Providing a theoretical description of nonlinear interaction between light and matter, this text focuses on the physical understanding of nonlinear optics, and explores optical material response functions in the time and frequency domain.

    This pivotal work contains ten chapters and the main applications include:

    • Optical signal processing: parametric amplification, modulators
    • Transmission of optical signals: optical solitons, cross-phase modulation, four-wave mixing, phase conjugation, Raman scattering
    • Sensing: temperature sensors, spectroscopy, and imaging
    • Lasers: pulse compression and generation of super continuum

    Nonlinear Optics: Principles and Applications describes the fundamental aspects of nonlinear optics and serves as a reference for nonlinear optics professionals as well as graduate students specializing in nonlinear optics.

    Introduction

    Review of linear optics

    Induced polarization

    Harmonic oscillator model

    Local field corrections

    Estimated nonlinear response

    Summary

    Time-domain material response

    The polarization time-response function

    The Born-Oppenheimer approximation

    Raman scattering response function of silica

    Summary

    Material response in the frequency domain, susceptibility tensors

    The susceptibility tensor

    The induced polarization in the frequency domain

    Sum of monochromatic fields

    The prefactor to the induced polarization

    Third-order polarization in the Born-Oppenheimer approximation in the frequency domain

    Kramers-Kronig relations

    Summary

    Symmetries in nonlinear optics

    Spatial symmetries

    Second-order materials

    Third-order nonlinear materials

    Cyclic coordinate-system

    Contracted notation for second-order susceptibility tensors

    Summary

    The nonlinear wave equation

    Mono and quasi-monochromatic beams

    Plane waves - the transverse problem

    Waveguides

    Vectorial approach

    Nonlinear birefringence

    Summary

    Second-order nonlinear effects

    General theory

    Coupled wave theory

    Phase mismatch and acceptance bandwidths

    Second-harmonic generation

    Non-degenerate parametric frequency conversion

    Difference-frequency generation

    Frequency conversion of focused Gaussian beams

    Electro optic effects

    Summary

    Raman scattering

    Physical description

    Amplitude equations

    Fundamental characteristics of silica

    The Raman fiber amplifier

    Summary

    Brillouin Scattering

    Introduction

    Electrostriction

    Coupled wave equations

    Threshold

    Reduced SBS fibers

    Applications

    Summary

    Optical Kerr effect

    Short pulse propagation

    Propagation of short pulses

    Pulse characterization

    Applications of solitons and short pulse propagation

    Summary

    Four wave mixing

    Physical description

    Propagation equations - three frequencies

    Spontaneous emission in four-wave mixing

    Amplifiers

    Other Applications

    Summary

    A. Tensors

    B. Hamiltonian and polarization

    C. Signal analysis

    D. Generating matrices and susceptibility tensors

    E. Transverse field distributions

    F. The index ellipsoid

    G. Materials commonly used in nonlinear optics

    Biography

    Karsten Rottwitt received his PhD in 1993 from the Technical University of Denmark (DTU) within propagation of solitons through optical fiber amplifiers. His Post doc was in collaboration with the femtosecond optics group, Imperial College London. From 1995 to 2000 Rottwitt continued at Bell Labs, AT&T and Lucent Technologies, New Jersey, USA. His research was directed toward Raman scattering in optical fibers. In 2000 Rottwitt moved back to Denmark where he is now at the department for photonics engineering, DTU. His research is concentrated on optical fiber nonlinearities including interactions among higher order modes, with applications within bio-photonics, sensing and communication.

    Peter Tidemand-Lichtenberg has been working with novel light sources and detection systems for 20 years. He completed his PhD in 1996 from the Technical University of Denmark. After receiving his PhD, he spent six years in small start-up companies developing light sources for various industrial applications. In 2002 he returned to DTU to develop compact coherent light sources in the UV and visible spectral region. He has mainly focused on extending the spectral coverage toward the mid-IR region, and developing efficient light sources and low noise detection systems in the 2-12 ┬Ám range based on frequency mixing for the past five years.

    "This book is a new reference for nonlinear optics professionals as well as graduate students specializing in nonlinear optics. It provides, in a comprehensive and organized manner, the essential mathematical formalisms and physical descriptions for understanding basic principles of nonlinear optics. The authors cover principles of linear optics and material response in the time and frequency domain, symmetries in nonlinear optics with special emphasis on second- and third-order nonlinear materials, and the nonlinear wave equation in waveguides. The first five chapters describe the fundamental formalism of nonlinear optics, whereas the last five chapters of the book discuss practical applications based on nonlinear phenomena. This publication has been supplemented with a few appendices, as well as a website with theoretical/numerical exercises, lecture slides, etc."
    --Reva Garg, Institute of Physics, University of Brazil, from Optics & Photonics News, November 23, 2015

    "This book provides the essential mathematical formalisms and physical descriptions necessary for the understanding of underlying principles of nonlinear optics, from nonlinear wave propagation in dielectric media to crystal optics, nonlinear optical processes, and devices. The book is suitable for a broad readership, from newcomers to nonlinear optics to those more intimately familiar with the topic who wish to further strengthen their knowledge and their formal mathematical foundations of nonlinear optics. The book uses classical mathematical formulation at a level suitable for students in the latter stages of their undergraduate Bachelors' studies who wish to become familiar with the subject area, or for more advanced graduate students pursuing Masters' degrees or in their early Ph.D programs preparing to embark on a research career in nonlinear optics. It is also suitable for researchers already active in the field of nonlinear optics who wish to strengthen their mathematical foundation of the subject. The book is well written, logically organized, and easy to follow, which helps the reader gain an in-depth understanding of nonlinear optical phenomena."
    --Prof. Majid Ebrahim-Zadeh, ICFO-The Institute of Photonic Sciences, Barcelona, Spain

    "This textbook is a welcome addition, as it provides a comprehensive and balanced treatment of nonlinear optics, covering both the underlying physics as well as important applications. Lucid explanations with contemporary relevance make it useful for science and engineering students, teachers, and researchers to get a thorough understanding of the subject. The authors provide a detailed exposition of the fundamental aspects of nonlinear optics that includes principles of linear optics and material response in the time and frequency domain, symmetries in nonlinear optics with special emphasis on second and third-order nonlinear materials, and the nonlinear wave equation in waveguides. The origin, modeling, and consequences of the important second- and third-order nonlinear optical effects with applications in frequency conversion, electro optic effect in crystals, Raman and Brillouin scattering in optical fibres, optical Kerr effect, and four wave mixing in parametric devices, has been presented effectively. The text has been well supplemented with illustrations and appendices to enhance the presentation."
    --Prof. Sukhdev Roy, Dayalbagh Educational Institute, India