Silicon slow-light-based photonic mixer for microwave-frequency conversion applications |
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| Authors: | Gutiérrez A M Brimont A Herrera J Aamer M Martí J Thomson D J Gardes F Y Reed G T Fedeli J M Sanchis P |
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| Institution: | Nanophotonics Technology Center, Universitat Politecnica Valencia, Valencia, Spain. angucam@ntc.upv.es |
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| Abstract: | We describe and demonstrate experimentally a method for photonic mixing of microwave signals by using a silicon electro-optical Mach-Zehnder modulator enhanced via slow-light propagation. Slow light with a group index of ~11, achieved in a one-dimensional periodic structure, is exploited to improve the upconversion performance of an input frequency signal from 1 to 10.25 GHz. A minimum transmission point is used to successfully demonstrate the upconversion with very low conversion losses of ~7 dB and excellent quality of the received I/Q modulated QPSK signal with an optimum EVM of ~8%. |
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