Abstract
The first experimental investigation1 of the photonic band structure of a face-centered cubic dielectric medium with a spherical basis triggered a great deal of theoretical and experimental attention. A number of theoretical studies have been made since then, and theory has quickly matured to such an extent that accurate photonic-band-structure calculations can now be carried out. These results are extremely useful in understanding the basic nature of photonic bands in periodic dielectric media and in identifying important structures for photonic-band-gap engineering. It has trow been learned that to obtain a true band gap for face-centered cubic structures, it is important to employ a basis that is nonspherical.
© 1991 Optical Society of America
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