Low-dimensional nanomaterials with excellent electrical and optical properties are key building blocks for nanoelectronics, photonics, optoelectronics, and bio/chemical applications. We are interested in understanding and explaining the fundamental optical responses of these materials, and in turning them into deterministically assembled photonic components.
Nanostructured silicon nanowires and size-dependent resonant light scattering. Left: SEM images of diameter-modulated silicon nanowires. Right: dark-field optical microscope images of the nanowires showing unique coloration stemming from spatially localized resonant light scattering.
Nat. Nanotechnol. 10, 345–352 (2015)
Predesigned nanopatterns in a resist layer enable deterministic assembly of nanowires with precisely controlled position, geometry, and alignment. In photoluminescence experiments, an excited CdS nanowire emits light that partly couples to nanowire waveguide modes and propagates along the wire.
ACS Photonics 3, 2285–2290 (2016)