Silicon Photonic Direct-Detection Phase Retrieval Receiver
preprint
posted on 2023-10-05, 16:00 authored by Brian Stern, Haoshuo Chen, Kwangwoong Kim, Hanzi Huang, Jie Zhao, Mohamad Hossein IdjadiWe demonstrate a direct-detection phase retrieval receiver based on silicon photonics. The receiver implements strong dispersion and delay lines on a compact chip. We retrieve the full field of a 30-GBd QPSK signal without a carrier or local oscillator.
