Multi-wavelength filters in silicon using superposition sidewall Bragg grating devices

Tools

Strain, Michael John and Thoms, Stephen and Macintyre, Douglas S. and Sorel, Marc (2014) Multi-wavelength filters in silicon using superposition sidewall Bragg grating devices. Optics Letters, 39 (2). pp. 413-416. ISSN 1539-4794 (https://doi.org/10.1364/OL.39.000413)

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Abstract

Multiple-filter stopbands, with the potential to be nonuniformly spaced in frequency, are realized in a single integrated Bragg grating device on silicon. By utilizing a superposition of sidewall relief grating functions, N individual filter responses can be fabricated with a device length N× shorter than the equivalent serial set of gratings. Arbitrary combinations of eight-basis filter responses were demonstrated as selected by an eight-bit pseudorandom number generator, showing the flexibility of the complex Bragg grating device design.

ORCID iDs

Strain, Michael John ORCID logoORCID: https://orcid.org/0000-0002-9752-3144, Thoms, Stephen, Macintyre, Douglas S. and Sorel, Marc;
CORE (COnnecting REpositories)