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Wei Guodan and Fu Hongyan from Tsinghua Shenzhen International Graduate School Achieve New Breakthrough in Dual-Narrowband Photodetector Research
2 day ago /
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Author：小编
Wireless optical communication employs visible and near-infrared light for information transmission, boasting numerous benefits including abundant bandwidth resources, immunity to electromagnetic interference, and strong spatial directivity. Nevertheless, broadband detectors are prone to noise interference and face the risk of signal interception. Current approaches mainly depend on digital encryption and external filters, which add complexity to the system. Thus, integrating spectral selection, information encryption, and anti-interference functions into wireless optical communication systems has emerged as an urgent challenge that must be addressed.
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