Junqiang Hu NEC Labs America

Junqiang Hu

Senior Researcher

Optical Networking & Sensing

Posts

Real-Time Blind Source Separation with Integrated Photonics for Wireless Signals

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Real-Time Blind Source Separation with Integrated Photonics for Wireless Signals We demonstrate, for the first time, real-time blind source separation of interfering GHz transmitters using photonic weights controlled by an RF-System-on-Chip FPGA. This analog system achieves multi-antenna signal separation with millisecond execution latency.

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Simultaneous Sensing and Communication in Optical Fibers

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Simultaneous Sensing and Communication in Optical Fibers We explore two fiber sensing methods which enables coexistence with data transmission on DWDM fiber networks. Vibration detection and localization can be achieved by extracting optical phase from modified coherent transponders. Frequency-diverse chirped-pulse DAS with all-Raman amplification can improve SNR and achieves multi-span monitoring.

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