80 Gbit/s optical clock recovery with automatic lock acquisition using electrical phase-locked loop |
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Authors: | Vehovc S Vidmar M Paoletti A |
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Affiliation: | Fac. of Electr. Eng., Univ. of Ljubljana, Slovenia; |
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Abstract: | A novel electrical phase-locked loop architecture for optical clock recovery using an input mixer mixing down to the intermediate frequency is presented. Phase detectors of the phase-locked loop operate on an intermediate frequency. The architecture allows the use of the quadrature phase detection enabling automatic lock acquisition. |
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