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(Color online) (a) Schematic diagram of a hexapole mode PhC nanocavity. Air holes are represented by circles, where is the normalized distance between the center of the cavity and the center of the innermost hole. is the lattice constant and is the hole radius. The slab thickness is . (b) Theoretical unloaded for the hexapole mode.
(Color online) (a) SEM image of the hexapole cavity with PhC waveguide ends. WG: Waveguide, Hex: hexapole. (b) Transmittance spectrum of the hexapole mode. The solid line is the fitted Lorenz curve. (c) Transmission wave form from the hexapole mode cavity (red) and reference waveguide (black) of a square input pulse at an abrupt on to off transition.
(Color online) Scanned transmittance spectrum at different input powers. The input power at the input PhC waveguide is shown on the graph.
(Color online) Ring-down wave form with different input power. The input power is shown in each panel. The reference (black line) gives the resolution of this measurement .
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