| Authors: | M. Verbist, D. Van Thourhout, W. Bogaerts | | Title: | Weak Gratings in Silicon-on-Insulator for Spectral Filters based on Volume Holography | | Format: | International Journal | | Publication date: | 2/2013 | | Journal/Conference/Book: | Optics Letters
| | Volume(Issue): | 38(3) p.386-388 | | DOI: | 10.1364/ol.38.000386 | | Citations: | 14 (Dimensions.ai - last update: 24/11/2024)
10 (OpenCitations - last update: 10/5/2024)
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Abstract
We demonstrate integrated holographic grating filters, that can be designed toward any desired target spectrum. A straightforward design method transforms this target spectrum into a weak effective refractive index variation. The filters are implemented in high-contrast silicon-on-insulator by modulating the width of the shallow etched sides of a ridge waveguide. Measurements show that this is a promising approach to integrate flexible and versatile filters on photonic chips to enable more complex applications. Related Research Topics
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