Chromatic dispersion and bandshape improvement of SOI flatband AWG multi/demultiplexers by phase-error correction |
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Authors: | MG Thompson D Brady SW Roberts |
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Affiliation: | Bookham Technol. plc, Abingdon, UK; |
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Abstract: | By measuring the phase and amplitude distribution of the optical paths in a flatband arrayed waveguide grating, the array mask was redesigned to correct for the slow varying phase errors within the array waveguides, leading to a reduction in both the chromatic dispersion across the passband of the device and in the transmission band tilt. |
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