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The book is designed to serve as a textbook for courses offered to upper-undergraduate students enrolled in physics. The first edition of this book was published in 2014. As there is a demand for the next edition, it is quite natural to take note of the several advances that have occurred in the subject over the past five years and to decide which of these are appropriate for inclusion at the textbook level, given the fundamental nature and the significance of the subject area. This is the prime motivation for bringing out a revised second edition. Among the newer mechanisms and materials, the book introduces the super-continuum generation, which arises from an excellent interplay of the various mechanisms of optical nonlinearity. The topics covered in this book are quantum mechanics of nonlinear interaction of matter and radiation, formalism and phenomenology of nonlinear wave mixing processes, optical phase conjugation and applications, self-focusing and self-phase modulation and their role in pulse modification, nonlinear absorption mechanisms, and optical limiting applications, photonic switching and bi-stability, and physical mechanisms leading to a nonlinear response in a variety of materials. This book has emerged from an attempt to address the requirement of presenting the subject at the college level. This textbook includes rigorous features such as the elucidation of relevant basic principles of physics; a clear exposition of the ideas involved at an appropriate level; coverage of the physical mechanisms of non-linearity; updates on physical mechanisms and emerging photonic materials and emphasis on the experimental study of nonlinear interactions. The detailed coverage and pedagogical tools make this an ideal textbook for students and researchers enrolled in physics and related courses.

Statistical physics. --- Microwaves. --- Optical engineering.

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This book discusses innovations in the field of Directed Energy (DE) and presents new technologies and innovative approaches for use in energy production for possible Underwater Communication, Directed Energy Weapons Applications and at lower wave energy for Medical Applications as well. In-depth chapters explore the challenges related to the study of energy produced from Scalar Longitudinal Wave (SLW). Topics related to Scalar Longitudinal Waves (SLW) and their various applications in the energy, medical, and military sector are discussed along with principles of Quantum Electrodynamics (QED) and theory, weapon applications of SLW, as well as SLW driven propulsion via an all-electronic engine, and for underwater communications. Scalar Wave Driven Energy Applications offers a unique solution for students, researchers, and engineers seeking a viable alternative to traditional approaches for energy production. Describes the benefits, uses, and challenges related to Scala Longitudinal Wave (SLW); Offers an innovative and unique solution to the challenge of finding new and innovative sources of energy production; Focuses on real world applications of SLW in the energy, medical, and military sectors.

Force and energy. --- Microwaves. --- Optical engineering. --- Energy, general. --- Microwaves, RF and Optical Engineering.

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This book focuses on the surface plasmon resonance (SPR) technique covering fibre optic sensor research. It highlights recent advancements in geometric feature-based fibre optic SPR sensors for chemical/biochemical/biosensor applications. The contents also discuss the principle of the SPR sensing technique as well as various designs of fibre optic SPR probes for improving sensor sensitivity. It also includes numerous examples of SPR-based fibre optic sensors with various geometric (such as U-type, taper type, D-type, and interferometric-based) sensors. This volume will be a useful reference to those in academia and industry especially researchers with useful information focusing on fibre optic SPR sensors.

Photonics. --- Optical engineering. --- Optics. --- Optical communications. --- Photonics and Optical Engineering. --- Optics and Photonics. --- Optical Communications.

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This book excavates into both the foundational principles and the latest advancements in perovskite solar cell research. It presents ground-breaking results about the diverse applications of perovskite solar cells, offering readers a comprehensive overview of the field's current state. By combining fundamental knowledge with cutting-edge methods, this book equips researchers, students, and professionals with valuable insights, fostering innovation and progress in the realm of perovskite solar cell technology. This volume captivates readers with a diverse array of intriguing topics. The book provides valuable insights into tackling challenges and discovering solutions, from the in-depth exploration of various electrical modeling techniques to the revelation of advanced perovskite fabrication methods. Additionally, readers will be engrossed by the exploration of efficiency improvements and the unveiling of novel applications in the realm of renewable energy. This comprehensive coverage ensures that the book appeals to researchers, engineers, and enthusiasts, inspiring them to delve deeper into the world of perovskite solar cells and contribute to sustainable energy solutions. The book also features an array of detailed illustrations and tables, facilitating a comprehensive comparison of different perovskite types. Through a didactic approach, complex concepts are presented in a reader-friendly manner, enabling researchers and enthusiasts alike to grasp cutting-edge methods, results, and applications in the field of perovskite solar cells. This book serves as a valuable resource, empowering readers to contribute to the advancement of clean energy solutions with a deeper understanding of next-generation technologies. This book offers readers a transformative opportunity to develop a comprehensive understanding of perovskite solar cells. Through its insightful exploration of fundamental principles, cutting-edge methods, and ground-breaking applications, the book equips readers with the knowledge and expertise needed to actively participate in developing next-generation clean energy solutions. This invaluable resource empowers researchers, engineers, and students to embrace the potential of perovskite solar cells, driving innovation and progress in the pursuit of a sustainable and environmentally friendly future.

Renewable energy sources. --- Photonics. --- Optical engineering. --- Nanotechnology. --- Renewable Energy. --- Photonics and Optical Engineering.

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This book presents the proceedings of the Biennial Photonics Conference (Photonics 2023) held at IISc, Bengaluru on 5-8 July 2023. It covers topics across multiple areas of photonics, including established areas like optical communication and networks, quantum optics, non-linear and ultrafast photonics , nanophotonics , biophotonics and bioimaging, photonic integrated circuits , fibers and sensors, optical materials and fabrication techniques, optical metrology, and instrumentation, optofluidics, laser applications, optoelectronics. The book also covers emerging areas in photonics, such as THz photonics, structured Light, 2D materials, optomechanics, topological photonics, and AI/ML in photonics. The book will be useful for researchers and professionals interested in the broad field of photonics.

Photonics. --- Optical engineering. --- Optics. --- Photonics and Optical Engineering. --- Optics and Photonics.