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We demonstrate a novel method for measuring far-field scattering of a single nanostructure with a high signal-to-background ratio using total-internal-reflection illumination. Direct far-field scanning overcomes the numerical aperture limit of the typical back-focal plane imaging.
We made a novel method for measuring far-field scattering distribution of single nanostructure with high signal-to-background ratio using total-internal-reflection illumination. We achieved wide measurement range by direct scanning over limit of numerical-aperture in conventional back-focal-imaging.
In this letter, we introduce recent progress on nanowire photonic devices, nanowire emitters coupled to photonic crystal waveguides, microstadium nanowire lasers, and high-quality subwavelength nanowire cavities.
We report room-temperature lasing action in an optically pumped heterogeneous square-lattice zero-cell photonic crystal cavity. Photoluminescence spectroscopy exhibits lasing at 1511 nm with a low lasing threshold of ~130 muW. We compute an ultrasmall mode volume of 0.017 mum3 ~ 1.7 (lambda/2nslab)3 using 3D-FDTD simulation.
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