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Secure communications using nonlinear silicon photonic keys
2018
Optics Express
We present a secure communication system constructed using pairs of nonlinear photonic physical unclonable functions (PUFs) that harness physical chaos in integrated silicon micro-cavities. Compared to a large, electronically stored one-time pad, our method provisions large amounts of information within the intrinsically complex nanostructure of the micro-cavities. By probing a micro-cavity with a rapid sequence of spectrally-encoded ultrafast optical pulses and measuring the lightwave
doi:10.1364/oe.26.004710
pmid:29475318
fatcat:wgws5y5mxne7xpoylgk34qrsom