Slow light enabled time and wavelength division demultiplexer in slotted photonic crystal waveguide

Preeti Rani; Yogita Kalra; R. K. Sinha

doi:10.1117/1.JNP.9.093063

5 August 2015 Slow light enabled time and wavelength division demultiplexer in slotted photonic crystal waveguide

Preeti Rani, Yogita Kalra, R. K. Sinha

Author Affiliations +

Journal of Nanophotonics, Vol. 9, Issue 1, 093063 (August 2015). https://doi.org/10.1117/1.JNP.9.093063

Abstract

We have proposed a design for slow light with ultraflat dispersion in a slotted photonic crystal waveguide consisting of a hexagonal arrangement of elliptical air holes on a silicon-on-insulator substrate. The proposed structure has low group velocity and low group velocity dispersion with a wide normalized bandwidth range of 0.0089. The proposed structure can be used as an optical buffer for the storage of a large amount of data due to the large value of the normalized delay bandwidth product equal to 0.634. An optimized structure for a slotted photonic crystal has been analyzed for its applications as both a time and wavelength division demultiplexer. Furthermore, the time delay between two adjacent wavelengths (1550 and 1555 nm) is more than that reported earlier.

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Preeti Rani, Yogita Kalra, and R. K. Sinha "Slow light enabled time and wavelength division demultiplexer in slotted photonic crystal waveguide," Journal of Nanophotonics 9(1), 093063 (5 August 2015). https://doi.org/10.1117/1.JNP.9.093063

Published: 5 August 2015

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