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This book discusses theoretical and experimental advances in
metamaterial structures, which are of fundamental importance to
many applications in microwave and optical-wave physics and
materials science. Metamaterial structures exhibit time-reversal
and space-inversion symmetry breaking due to the effects of
magnetism and chirality. The book addresses the characteristic
properties of various symmetry breaking processes by studying
field-matter interaction with use of conventional electromagnetic
waves and novel types of engineered fields: twisted-photon fields,
toroidal fields, and magnetoelectric fields. In a system with a
combined effect of simultaneous breaking of space and time
inversion symmetries, one observes the magnetochiral effect.
Another similar phenomenon featuring space-time inversion
symmetries is related to use of magnetoelectric materials.
Cross-coupling of the electric and magnetic components in these
material structures, leading to the appearance of new magnetic
modes with an electric excitation channel - electromagnons and
skyrmions - has resulted in a wealth of strong optical effects such
as directional dichroism, magnetochiral dichroism, and rotatory
power of the fields. This book contains multifaceted contributions
from international leading experts and covers the essential aspects
of symmetry-breaking effects, including theory, modeling and
design, proven and potential applications in practical devices,
fabrication, characterization and measurement. It is ideally suited
as an introduction and basic reference work for researchers and
graduate students entering this field.
This book discusses theoretical and experimental advances in
metamaterial structures, which are of fundamental importance to
many applications in microwave and optical-wave physics and
materials science. Metamaterial structures exhibit time-reversal
and space-inversion symmetry breaking due to the effects of
magnetism and chirality. The book addresses the characteristic
properties of various symmetry breaking processes by studying
field-matter interaction with use of conventional electromagnetic
waves and novel types of engineered fields: twisted-photon fields,
toroidal fields, and magnetoelectric fields. In a system with a
combined effect of simultaneous breaking of space and time
inversion symmetries, one observes the magnetochiral effect.
Another similar phenomenon featuring space-time inversion
symmetries is related to use of magnetoelectric materials.
Cross-coupling of the electric and magnetic components in these
material structures, leading to the appearance of new magnetic
modes with an electric excitation channel - electromagnons and
skyrmions - has resulted in a wealth of strong optical effects such
as directional dichroism, magnetochiral dichroism, and rotatory
power of the fields. This book contains multifaceted contributions
from international leading experts and covers the essential aspects
of symmetry-breaking effects, including theory, modeling and
design, proven and potential applications in practical devices,
fabrication, characterization and measurement. It is ideally suited
as an introduction and basic reference work for researchers and
graduate students entering this field.
This book discusses the development of Fano-based techniques and
reveals the characteristic properties of various wave processes by
studying interference phenomena. It explains that the interaction
of discrete (localized) states with a continuum of propagation
modes leads to Fano interference effects in transmission, and
explores novel coherent effects such as bound states in the
continuum accompanied by collapse of Fano resonance. Originating in
atomic physics, Fano resonances have become one of the most
appealing phenomena of wave scattering in optics, microwaves, and
terahertz techniques. The generation of extremely strong and
confined fields at a deep subwavelength scale, far beyond the
diffraction limit, plays a central role in modern plasmonics,
magnonics, and in photonic and metamaterial structures. Fano
resonance effects take advantage of the coupling of these bound
states with a continuum of radiative electromagnetic waves. With
their unique physical properties and unusual combination of
classical and quantum structures, Fano resonances have an
application potential in a wide range of fields, from
telecommunication to ultrasensitive biosensing, medical
instrumentation and data storage. Including contributions by
international experts and covering the essential aspects of
Fano-resonance effects, including theory, modeling and design,
proven and potential applications in practical devices,
fabrication, characterization and measurement, this book enables
readers to acquire the multifaceted understanding required for
these multidisciplinary challenges.
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