Výsledky vyhledávání - "Guy, Mikhael"

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Control of mesoscopic transport by modifying transmission channels in opaque media

Autor: Sarma, Raktim, Yamilov, Alexey, Liew, Seng Fatt, Guy, Mikhael, Cao, Hui

Publikováno v: Phys. Rev. B 92, 214206 (2015)

While controlling particle diffusion in a confined geometry is a popular approach taken by both natural and artificial systems, it has not been widely adopted for controlling light transport in random media, where wave interference effects play a cri

Externí odkaz: http://arxiv.org/abs/1507.07861

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Topological defect lasers

Autor: Knitter, Sebastian, Liew, Seng Fatt, Xiong, Wen, Guy, Mikhael I., Solomon, Glenn S., Cao, Hui

Publikováno v: Journal of Optics, Volume 18, Number 1, 2015

We demonstrate topological defect lasers in a GaAs membrane with embedded InAs quantum dots. By introducing a disclination to a square-lattice of elliptical air holes, we obtain spatially confined optical resonances with high quality factor. Such res

Externí odkaz: http://arxiv.org/abs/1412.4757

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Photonic Band Gap Effects in Two-dimensional Polycrystalline and Amorphous Structures

Autor: Yang, Jin-Kyu, Schreck, Carl F., Noh, Heeso, Liew, Seng-Fatt, Guy, Mikhael I., O'Hern, Corey S., Cao, Hui

Publikováno v: Phys. Rev. A 82 (2010) 053838

We study numerically the density of optical states (DOS) in two-dimensional photonic structures with short-range positional order, and observe a clear transition from polycrystalline to amorphous photonic systems. In polycrystals, photonic band gaps

Externí odkaz: http://arxiv.org/abs/1008.4804

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