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Abstract
A systematic analysis of photonic bands and group index in silicon grating waveguides is performed, in order to optimize band-edge slow-light behavior in integrated structures with low losses. A combination of numerical methods and perturbation theory is adopted. It is shown that a substantial increase of slow light bandwidth is achieved when decreasing the internal width of the waveguide and the silicon thickness in the cladding region. It is also observed that a reduction of the internal width does not undermine the performance of an adiabatic taper.
Original language | English |
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Article number | 315253 |
Pages (from-to) | 8470-8478 |
Number of pages | 9 |
Journal | Optics Express |
Volume | 26 |
Issue number | 7 |
DOIs | |
Publication status | Published - 23 Mar 2018 |
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Dive into the research topics of 'Optimizing band-edge slow light in silicon-on-insulator waveguide gratings'. Together they form a unique fingerprint.Projects
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