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This book presents the select 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.

Following in the footsteps of its popular predecessors, High Power Microwaves, Fourth Edition continues to provide a wide-angle, integrated view of the field of high power microwaves (HPMs). This fourth edition includes significant updates in every chapter as well as a new chapter on High Power Amplifiers. Written by a range of experimentalists, theorists, and applied theorists, the book offers complementary perspectives on different source types. The authors address: How HPM relates historically and technically to the conventional microwave field The possible applications for HPM and the key criteria that HPM devices have to meet in order to be applied How high power sources work, including their performance capabilities and limitations The broad fundamental issues to be addressed in the future for a wide variety of source types The book is accessible to several audiences. Researchers currently in the field can widen their understanding of HPM. Present or potential users of microwaves will discover the advantages of the dramatically higher power levels that are being made available. Newcomers to the field can pursue further research. Decision makers in direct energy acquisition and related fields, such as radar, communications, and high-energy physics, can see how developments in HPM will affect them.Key Features Discusses the key criteria that must be fulfilled for emerging applications of HPMs in addition to the HPM formulary of practical equations for everyday work Describes the broad fundamental issues for each class of HPM sources and clarifies HPM capabilities and limitations on performance Uses a format suitable for classroom instruction with updated problems in each chapter alongside references and guidance to the literature for readers seeking more details. Solutions to the problems are available at schamiloglu@me.com.