Low switching threshold using nonlinearities in stopband-tapered waveguide Bragg gratings
- Publication Type:
- Journal Article
- IEEE Journal of Quantum Electronics, 2005, 41 (10), pp. 1303 - 1308
- Issue Date:
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We numerically study the nonlinear switching characteristics in a waveguide grating with a linearly tapered stopband. This type of design shows promising results in decreasing the threshold switching power, while simultaneously preserving a significant extinction ratio. We find that the switching threshold changes linearly with the tapering coefficient. The physical explanation for these phenomena is discussed. Potential applications for this type of device include all-optical switches and isolators. © 2005 IEEE.
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