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Double scattering of light from biophotonic nanostructures with short-range order
Heeso Noh, Seng Fatt Liew, Vinodkumar Saranathan +4
We investigate the physical mechanism for color production by isotropic nanostructures with short-range order in bird feather barbs. While the primary peak in optical scattering sp…
Biomimetic isotropic nanostructures for structural coloration
Jason D. Forster, Heeso Noh, Seng Fatt Liew +9
We describe the self-assembly of biomimetic isotropic films which display structural color amenable to potential applications in coatings. Isotropic structures can produce color if…
Effects of Spatially Nonuniform Gain on Lasing Modes in Weakly Scattering Random Systems
Jonathan Andreasen, Christian Vanneste, Li Ge +1
A study on the effects of optical gain nonuniformly distributed in one-dimensional random systems is presented. It is demonstrated numerically that even without gain saturation and…
Creation of New Lasing Modes with Spatially Nonuniform Gain
Jonathan Andreasen, Hui Cao
We report on the creation of new lasing modes with spatially nonuniform distributions of optical gain in a one-dimensional random structure. It is demonstrated numerically that eve…
Marginally Unstable Periodic Orbits in Semiclassical Mushroom Billiards
Jonathan Andreasen, Hui Cao, Jan Wiersig +1
Optical mushroom shaped billiards offer a unique opportunity to isolate and study non-dispersive, marginally unstable periodic orbits. Here we show that the openness of the cavity…