Stimulated by the pioneering work of Sajeev John and Eli Yablonovitsch in 1987,
German research groups started in the early 1990s with theoretical and experimental
work on 2D and 3D photonics crystals. This initial work was the basis of an
application for a focused project on photonic crystals at the German Science
Foundation (DFG) in 1999. In the last seven years, a consortium consisting of
more than 20 German research groups worked together in the area of photonic
We started with linear, non-dispersive properties of purely dielectric 2D and 3D
photonic crystals in the late 90s and developed the field of research step-by-step to
non-linear and dispersive properties of dielectric photonic crystals including gain
and/or losses. These properties where studied on different materials systems
such as silicon, III-V-compound semiconductors, oxides and polymers as well as
hybrid systems consisting of dielectric photonic crystals and liquid crystals.
Applications of these systems were developed in the area of active photonic
crystals fibres, functional optical components as well as sensors. Some of them
have now even entered into industrial applications. During the funding period,
some groups extended the initial focus to non-dielectric, dispersive materials such
as metals and discussed the properties of periodic metallic structures (plasmonic
crystals). After the groundbreaking work of John Pendry at the beginning of this
century, resonances in dispersive structures with periodic permeability and permittivity
(metamaterials) were studied as well. This was important in order to
understand the difference of negative refraction in metamaterials and dielectric
`Nanophotonic Materials - Photonic Crystals, Plasmonics, and Metamaterials' summarizes the work and results of a consortium consisting of more than 20 German research groups concentrated on photonics crystals research over the last seven years. Illustrated throughout in full color, the book provides an overview of these novel materials, spanning the entire range from fundamentals to applications.
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