22 December 2015 Tunable microwave notch filter created by stimulated Brillouin scattering in a silicon chip
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Abstract
We show the first functional signal processing device based on forward stimulated Brillouin scattering from a silicon nanowire. We harness 1dB of SBS gain to create a high performance, energy efficient microwave photonic notch filter. The filter possess 48dB of suppression, 98 MHz linewidth, and is tunable within a 6 GHz bandwidth. This demonstration represents a significant advance in integrated microwave photonics with potential applications in on-chip microwave signal processing and establish the foundation towards the first CMOS-compatible high performance RF photonic filter.
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A. Casas-Bedoya, A. Casas-Bedoya, Blair Morrison, Blair Morrison, Mattia Pagani, Mattia Pagani, David Marpaung, David Marpaung, Benjamin J. Eggleton, Benjamin J. Eggleton, } "Tunable microwave notch filter created by stimulated Brillouin scattering in a silicon chip", Proc. SPIE 9668, Micro+Nano Materials, Devices, and Systems, 966819 (22 December 2015); doi: 10.1117/12.2202488; https://doi.org/10.1117/12.2202488
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