Compact amorphous-silicon visible-light monitor integrated in silicon nitride waveguides
Christian De Vita (Politecnico di Milano)
Charalambos Klitis (University of Glasgow)
Nina Codreanu (Politecnico di Milano, TU Delft - QN/Quantum Nanoscience, TU Delft - QID/Hanson Lab, Kavli institute of nanoscience Delft)
Giorgio Ferrari (Politecnico di Milano)
Marc Sorel (University of Glasgow)
Andrea Melloni (Politecnico di Milano)
Francesco Morichetti (Politecnico di Milano)
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Abstract
This work reports on the realization of an amorphous silicon visible-light detector integrated in Si3N4 waveguides. The device is very compact (< 40 μm), has a responsivity of about 10 mA/W and a sensitivity of -40 dBm.