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We report on a 16-core recirculating programmable photonic array based on MEMS-tunable directional couplers. The photonic array has a compact footprint (0.04mm(2)/cell) and negligible static power consumption. Waveguide-coupled single-ring resonators, CROWs, and add-drop filters are demonstrated. (C) 2021 The Author(s)
Tobias Kippenberg, Johann Emmeram Riemensberger, Rui Ning Wang