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Schematic diagram of the metal-coated GaN nanostripe.
(a) SEM image (top view), of a GaN nanostripe prior to the deposition of metal and layers; (b) magnified SEM image of one side of GaN nanostripe from angled view; (c) magnified SEM image of one side of GaN nanostripe from angled view following the deposition of and aluminum.
(a) PL spectrum of undoped GaN layer with and without the and aluminum shielding layers; (b) measured spectra from metal-coated GaN nanostripe laser below and above threshold. Lasing wavelength of the GaN nanostripe is 370 nm; (c) light-in light-out curve (L-L curve) of the metal-coated GaN nanostripe laser.
(a) Calculated mode profile of metal-coated GaN nanocavity; (b) calculated mode profile of the GaN nanocavity without metal and shielding layers; (c) band diagram of the metal-coated GaN nanostripe.
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