RF arbitrary waveform generation using tunable planar lightwave circuits |
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| Authors: | P. Samadi L.R. Chen P. Dumais D. Celo |
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| Affiliation: | a Department of Electrical and Computer Engineering, McGill University, Montreal, QC, Canada H3A 2A7b Photonic Component Technologies Group, Communications Research Center, Ottawa, ON, Canada K2H 8S2 |
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| Abstract: | We demonstrate photonically-assisted generation of RF arbitrary waveforms using planar lightwave circuits (PLCs) fabricated on silica-on-silicon. We exploit thermo-optic effects in silica in order to tune the response of the PLC and hence reconfigure the generated waveform. We demonstrate the generation of pulse trains at 40 GHz and 80 GHz with flat-top, Gaussian, and apodized profiles. These results demonstrate the potential for RF arbitrary waveform generation using chip-scale photonic solutions. |
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| Keywords: | RF photonics Planar lightwave circuits Optical pulse shaping Arbitrary waveform generation Lattice-form Mach-Zehnder interferometer |
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