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Up to 16384-QAM IFoF Transmission with DML based on 2-Bit High-Pass Delta-Sigma Modulation

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Abstract

We design a 2-bit high-pass delta-sigma modulator based on 4th-order cascaded resonator feedback structure, and experimentally demonstrate IFoF transmission of 1.88GHz bandwidth 16384-QAM in 32Gb/s DML-DD link. 0.58% EVM is achieved after 20km SSMF transmission.

© 2021 The Author(s)

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