Niu makes electric kick scooters, Vespa-like sit-atop scooters, and numerous eBikes, as well as this new XQi500 motorcycle.

Abstract: Compensating for frequency offset between transmitter and receiver lasers is a major challenge in coherent optical receivers. This necessitates the use of a carrier phase recovery and ...

Abstract: The increasing demand for data throughput in modern data centers has intensified the need for high-speed, energy-efficient optical interconnects. Although traditional intensity-modulation ...