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Strong angular dispersion using higher bands of planar silicon photonic crystals
(Georgia Institute of Technology, 2008-09)
We present experimental evidence for strong angular dispersion in a planar photonic crystal (PC) structure by properly engineering the modes in the second PC band. We show that by using the second photonic band of a square ...
Compact wavelength demultiplexing using focusing negative index photonic crystal superprisms
(Georgia Institute of Technology, 2006-03)
Here, we demonstrate a compact photonic crystal wavelength demultiplexing device based on a diffraction compensation scheme with two orders of magnitude performance improvement over the conventional superprism structures ...