Second Harmonic Generation: Pathways of Nonlinear Photonics

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Abdel-Baset M. A. Ibrahim, PhD – School of Physics and Material Studies, Faculty of Applied Sciences, Universiti Teknologi MARA, Shah Alam, Selangor, Malaysia
Pankaj Kumar Choudhury, PhD – Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia

Series: Physics Research and Technology
BISAC: SCI040000; SCI053000
DOI: https://doi.org/10.52305/CVTQ2987

Second harmonic generation (SHG) has a wide range of applications in today’s technological era, including nonlinear optics, quantum optics, lasers, material science, medical science, biological imaging, and high-resolution optical microscopy. In the laser industry, for example, SHG is prudent to create wavelength-specific high-energy lasers. It is also used to measure ultra-short pulse width with autocorrelators. SHG is now indispensable as a spectroscopic imaging tool in applications, such as biophysical characterization of the plasma membrane, biological sensing, disease diagnostics, and investigations of biomolecular interactions at interfaces. Because of its non-destructive detection, ultrafast response, and polarization sensitivity, SHG is exploited to describe crystal structures and materials. The use of SHG to characterize two-dimensional (2D) material structures gives crucial insights into their physical properties, thereby promoting the development of the relevant basic research, leading to the investigation of the potential applications of those materials. Developments in SHG research hold promising potentials of a large class of materials, such as magnetic- and nonmagnetic layered materials, perovskites, antiferromagnetic oxides, II-VI and III-V semiconductors, and nanotubes, for a variety of technological applications.

This book focuses on the process of modelling and simulations of the SHG phenomenon in the area of nonlinear and quantum optics. The first chapter provides a visualization of the scientific landscape of research in SHG using scientometric analysis from 1962 to 2020 based on Scopus database. This chapter gives new postgraduate students in the subject useful information on hot themes in SHG research and how they are related to one another. There is also a brief mention of multinational collaborative networks.

The following four research chapters look at the SHG from a classical standpoint, using Maxwell’s equations to describe the nonlinear optical interaction between the electromagnetic wave and the medium. Such interaction is treated quantum mechanically in the second section of the book, with the SHG process described using a propagating Hamiltonian. As such, the volume adequately describes the SHG from both the classical and quantum mechanical standpoints. This allows the postgraduate researchers, focusing on the nonlinear phenomena, resulting from light-matter interaction, to find the content useful.

In the second part of this volume, readers are introduced to a full theoretical analysis of the quantum features generated in certain optical devices, such as a two-waveguide device working under the SHG and coupled waveguide arrays with the combined second- and third-order nonlinear effects. To be more specific, this part discusses how SHG-enabled devices might be a useful source of nonclassical light. This section remains relevant for postgraduate students commencing their studies in quantum optics, where the nonclassical phenomena, such as squeezing and entanglement, require a solid understanding of the underlying techniques, namely the phase space and the analytical perturbative methods.

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Table of Contents

Preface

Chapter 1.      Visualizing the Scientific Landscape of Research in Second Harmonic Generation: A Scientometric Review
Rafael Julius1, Abdel-Baset M. A. Ibrahim2, and Pankaj K. Choudhury3
1Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM) Perak, Tapah Campus, Tapah Road, Perak, Malaysia
2Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), Shah Alam, Selangor, Malaysia
3Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia, UKM Bangi, Selangor, Malaysia

Chapter 2.      Modeling Efficient Second Harmonic Generation in Microcrystalline KDP Fibers – Part I
Matthew S. Neel
Formerly with Oregon State University, Oregon, USA

Chapter 3.      Modeling Efficient Second Harmonic Generation in Microcrystalline KDP Fibers – Part II
Matthew S. Neel
Formerly with Oregon State University, Oregon, USA

Chapter 4.      Design and Analysis of Photonic Crystal-Based Integrated Optical Devices Using the Finite Difference Method
Mohsen Choubani, Hassen Maaref, and Faouzi Saidi
Laboratoire de Micro-Optoélectronique et Nanostructures, Département de Physique, Faculté des Sciences de Monastir, Avenue de l’environnement, Université de Monastir, Tunisia

Chapter 5.      Nonlinear Optical Properties in Single and Coupled InAs/GaAs Quantum Dots
Mohsen Choubani, Hassen Maaref, and Faouzi Saidi
Laboratoire de Micro-Optoélectronique et Nanostructures, Département de Physique, Faculté des Sciences de Monastir, Université de Monastir, Tunisia

Chapter 6.      Quantum Properties of Light in Codirectional Coupler with Second Harmonic Generation
Mohd Syafiq M. Hanapi1, Abdel-Baset M. A. Ibrahim1, Rafael Julius2, Ahmad M. Alrub3, and Pankaj. K. Choudhury4
1Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), Shah Alam, Selangor, Malaysia
2Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM) Perak, Tapah Campus, Tapah Road, Perak, Malaysia
3Department of Physics, Al-Hussein Bin Talal University, Ma’an, Jordan
4Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia, UKM Bangi, Selangor, Malaysia

Chapter 7.      Quantum Dynamics of Contradirectional Nonlinear Coupler
Mohd Syafiq M. Hanapi1, Abdel-Baset M. A. Ibrahim1, Rafael Julius2, Ahmad M. Alrub3, and Pankaj. K. Choudhury4
1Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), Shah Alam, Selangor, Malaysia
2Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM) Perak, Tapah Campus, Tapah Road, Perak, Malaysia
3Department of Physics, Al-Hussein Bin Talal University, Ma’an, Jordan
4Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia, UKM Bangi, Selangor, Malaysia

Chapter 8.      Squeezed Light in Coupled Waveguide Networks Induced by the Nonlinear Kerr Effect and Second Harmonic Generation
Rafael Julius1, Abdel-Baset M. A. Ibrahim2, and Pankaj K. Choudhury3
1Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM) Perak, Tapah Campus, Tapah Road, Perak, Malaysia
2Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), Shah Alam, Selangor, Malaysia
3Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia, UKM Bangi, Selangor, Malaysia

About the Editor

List of Contributors

Index