Digitally encoded dual-narrowband photodetectors for secure optical wireless communication

Zilong Ye, Haoyu Huang, Wei He, Kai-Ning Tong, Chengcheng Wu, Tengfei Li, Dan Zhao, Yuan Li, Kanghui Ke, Kefei Shi, Huan Li, Zhuhua Xu, Xin Wang, Liping Song, Chang Shu, Hao Yan, Yuze Lin, Zonglong Zhu, Feiyu Kang, H Y Fu, Guodan Wei · 2026

Read Digitally encoded dual-narrowband photodetectors for secure optical wireless communication by Zilong Ye, Haoyu Huang, Wei He, Kai-Ning Tong, Chengcheng Wu, Tengfei Li, Dan Zhao, Yuan Li, Kanghui Ke, Kefei Shi, Huan Li, Zhuhua Xu, Xin Wang, Liping Song, Chang Shu, Hao Yan, Yuze Lin, Zonglong Zhu, Feiyu Kang, H Y Fu, Guodan Wei (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/PMC13408371.txt.

Description

Zilong Ye, Haoyu Huang, and colleagues build in 2026 a light sensor designed for wireless links that resist eavesdropping. Ordinary broadband detectors pick up everything, inviting crosstalk and interception. Their organic device instead answers only two narrow colour bands, one visible and one in the near infrared, and powers itself.

A built-in optical cavity with a carefully chosen spacer layer creates that selectivity, and the sensor reacts in well under a microsecond. Pairing the hardware filtering with chaotic encryption produced an error rate below one in ten thousand at megabit speeds in their tests. Retuning the cavity pushed the second band into the short-wave infrared. The work sketches a route toward private light-based communication, spectroscopy, and photonic networks.

Catalog record

CREATORZilong Ye, Haoyu Huang, Wei He, Kai-Ning Tong, Chengcheng Wu, Tengfei Li, Dan Zhao, Yuan Li, Kanghui Ke, Kefei Shi, Huan Li, Zhuhua Xu, Xin Wang, Liping Song, Chang Shu, Hao Yan, Yuze Lin, Zonglong Zhu, Feiyu Kang, H Y Fu, Guodan Wei
YEAR2026
COLLECTIONPAPERS
FORMATTXT
FILE SIZE60095
LICENSEhttps://creativecommons.org/licenses/by/4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/article/MED/PMC13408371

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