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Schematic of a photonic crystal microcavity employing a site-selected quantum dot positioned at the defect site. The inset is an SEM image of an InP pyramidal nanotemplate.
(Color online) (a) An SEM image of a 19-ring hexagonal crystal defect cavity. (b) Electric field amplitude of the (right panel) and (left panel) dipolelike modes.
PL spectra from a single missing air-hole defect cavity for successive oxidation/etching cycles.
Blueshift of the mode energies (upper panel) and values (lower panel) of the two dipole modes with repeated oxidation and etching. Dotted lines are FDTD simulations assuming an increase in of . The solid line in the upper panel is calculated assuming both an increase in of and a decrease in of .
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