All-Dielectric Nanophotonics

All-Dielectric Nanophotonics provides an overview of the principles, advances, and future directions of research in the field, covering all-dielectric metasurfaces, nanoantennas, excitations, and ultrahigh-Q resonant modes. It is suitable for new entrants and experienced researchers.

Format: Unspecified
Length: 428 pages
Publication date: 13 November 2023
Publisher: Elsevier - Health Sciences Division

All-Dielectric Nanophotonics aims to delve into the fundamental principles, cutting-edge advancements, and prospective horizons of research in the field. The book comprehensively reviews the progress made in all-dielectric metasurfaces and nanoantennas, exploring novel excitation mechanisms such as magnetic and toroidal modes, along with their associated anapole states. It also covers ultrahigh-Q resonant modes, including bound states in the continuum, highlighting their potential to replace conventional bulky optical elements with nanometer-scale structures boasting enhanced functionalities. This comprehensive text serves as an invaluable resource for both novice enthusiasts entering the field and seasoned researchers and professionals seeking a comprehensive overview of this dynamic research area.

Introduction:
All-Dielectric Nanophotonics is a rapidly evolving field that encompasses the exploration and utilization of nanoscale structures for light manipulation and communication. By leveraging the unique properties of dielectric materials, researchers have been able to design and engineer materials with extraordinary optical properties, enabling the development of innovative technologies such as metasurfaces, nanoantennas, and optical devices. In this book, we will delve into the fundamental principles, advancements, and future directions of research in all-dielectric nanophotonics.

All-Dielectric Metasurfaces:
All-dielectric metasurfaces are two-dimensional surfaces that are designed to manipulate light on a subwavelength scale. These surfaces are composed of periodic structures, such as gratings or metasurfaces, which can be tailored to achieve specific optical properties, such as reflection, absorption, or transmission. All-dielectric metasurfaces have found applications in various fields, including optical imaging, sensing, and communication. One of the key advancements in all-dielectric metasurfaces is the development of metasurfaces with negative refractive indices, which can bend light in the opposite direction of conventional materials. This property allows for the creation of invisibility cloaks, which can hide objects from view, and metasurfaces with ultra-compact footprints, which can be used in miniaturized optical devices.

Nanoantennas:
Nanoantennas are tiny antennas that are designed to emit or receive radio waves or other forms of electromagnetic radiation. Nanoantennas are characterized by their small size, which allows for the manipulation of the electromagnetic field at the nanoscale. Nanoantennas have found applications in various fields, including wireless communication, radar, and medical imaging. One of the key advancements in nanoantennas is the development of metamaterials, which are materials that have engineered properties that are not found in nature. Metamaterials can be designed to achieve specific resonant frequencies, which can enhance the efficiency of nanoantennas.

Excitations in All-Dielectric Nanophotonics:
In addition to all-dielectric metasurfaces and nanoantennas, all-dielectric nanophotonics also involves the study of novel excitations, such as magnetic and toroidal modes. Magnetic modes are excited by magnetic fields, while toroidal modes are excited by electric fields. These modes have unique properties, such as the ability to confine light in small volumes, which can be used for the development of miniaturized optical devices.

Ultrahigh-Q Resonant Modes:
Ultrahigh-Q resonant modes, such as bound states in the continuum, are another important area of research in all-dielectric nanophotonics. These modes are characterized by their extremely high Q-factor, which is a measure of the quality factor of a resonant system. Ultrahigh-Q resonant modes have applications in various fields, including quantum computing, sensing, and communication.

Conclusion:
All-Dielectric Nanophotonics is a rapidly evolving field that has the potential to revolutionize various fields, including optical communication, sensing, and imaging. The development of all-dielectric metasurfaces, nanoantennas, and novel excitations, such as magnetic and toroidal modes, has opened up new avenues for the development of innovative technologies. As research in this field continues to progress, we can expect to see even more exciting developments and applications in the years to come.

Weight: 1000g
Dimension: 235 x 191 (mm)
ISBN-13: 9780323951951