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21 August 2009 High delay bandwidth product and low dispersion slow light in silicon-on-insulator based photonic crystal waveguides
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Abstract
In this paper, we propose silicon-on-insulator (SOI) based Photonic Crystal waveguide with hexagonal arrangement of elliptical air holes embedded in silicon material for slow light transmission. Delay bandwidth product which indicates the buffering capacity is evaluated to be record high 87.41 and large bandwidth (≈ 4.4THz) below silica light line. Within this bandwidth, group velocity dispersion is evaluated on the order of 100-102 ps2/km. Thus in the proposed structure, light is confined horizontally by photonic band gap, vertically by total internal reflection and longitudinally by low dispersion and low group velocity while propagating through the waveguide.
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Swati Rawal and R. K. Sinha "High delay bandwidth product and low dispersion slow light in silicon-on-insulator based photonic crystal waveguides", Proc. SPIE 7420, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications III, 742014 (21 August 2009); https://doi.org/10.1117/12.826025
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