OFC23 – sigdel

Duobinary-Coded Coherent ΣΔ Radio-over-Fiber Transmission at 9 GHz Downlink Channel Spacing

OFC 2023, San Diego, USA, Mar. 2023, W4J.6


Bernhard Schrenk, and Florian Honz


We show digitized radio-over-fiber transmission using coherent envelope detection. A low EVM of 1.3%, a high optical budget of 34.6dB and 25% improvement in spectral occupancy are found when introducing duobinary signaling and coherent detection.

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