Title :
Superprism phenomena in planar photonic crystals
Author :
Wu, Lijun ; Mazilu, Michael ; Karle, Tim ; Krauss, Thomas F.
Author_Institution :
Sch. of Phys. & Astron., Univ. of St. Andrews, Fife, UK
fDate :
7/1/2002 12:00:00 AM
Abstract :
We utilize the anomalous dispersion of planar photonic crystals near the dielectric band edge to control the wavelength-dependent propagation of light. We typically observe an angular swing of up to 10° as the input wavelength is changed from 1290 nm to 1310 nm, which signifies an angular dispersion of 0.5 degree/nm. Such a strong angular dispersion is of the order required for wavelength-division multiplexing systems. This is the first demonstration of the "superprism" effect in a planar configuration with a small lattice
Keywords :
optical dispersion; optical planar waveguides; optical prisms; photonic band gap; wavelength division multiplexing; 1290 to 1310 nm; GaAs; SiO2-Ga0.1Al0.9As; angular dispersion; angular swing; anomalous dispersion; dielectric band edge; input wavelength; integrated optics; planar configuration; planar photonic crystals; small lattice; superprism phenomena; wavelength-dependent light propagation; wavelength-division multiplexing systems; Arrayed waveguide gratings; Dielectrics; Dispersion; Lattices; Optical device fabrication; Optical propagation; Optical refraction; Optical waveguides; Photonic crystals; Wavelength division multiplexing;
Journal_Title :
Quantum Electronics, IEEE Journal of
DOI :
10.1109/JQE.2002.1017607
