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Proceedings Paper

Photonic crystals in epitaxial semiconductors
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Paper Abstract

The title of this presentation uses the expression 'photonic crystals.' By photonic crystals, we mean regular periodic structures with a substantial refractive index variation in one-, two- or three-dimensional space. Such crystals can occur naturally, as exemplified by natural opal, but are more typically fabricated under the guidance of human beings. Under sufficiently strong conditions, i.e. sufficiently large refractive index modulation, correct size of structural components and appropriate rotational and translational symmetry, photonic crystals exhibit the characteristics of a photonic bandgap (PBG) structure. In a full photonic bandgap structure there is a spectral stop band for photonic (electromagnetic) waves propagating in any direction through the structure and with an arbitrary state-of-polarization. This behavior is of interest from both a fundamental physical viewpoint and from the point of view of applications in novel photonic devices. But the physics and device potential of structures which in some measure fall short of ideal photonic bandgap behavior are still of great interest - and it is an important theme of the preset work that non-ideal photonic crystals merit serious consideration.

Paper Details

Date Published: 21 October 1998
PDF: 6 pages
Proc. SPIE 3485, 11th International Vavilov Conference on Nonlinear Optics, (21 October 1998); doi: 10.1117/12.328221
Show Author Affiliations
Richard M. De La Rue, Univ. of Glasgow and Communications Research Lab. (Japan) (United Kingdom)


Published in SPIE Proceedings Vol. 3485:
11th International Vavilov Conference on Nonlinear Optics
Sergei G. Rautian, Editor(s)

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