Experimental Demonstration of 4,294,967,296-QAM Based Y-00 Quantum Stream Cipher Carrying 160-Gb/s 16-QAM Signals
Xi Chen, Ken Tanizawa, Peter Winzer, Po Dong, Junho Cho, Fumio Futami,, Kentaro Kato, Argishti Melikyan, and Kw Kim
TL;DR
This paper demonstrates a high-capacity quantum stream cipher system using 4.29 billion-ary QAM modulation, achieving 160 Gb/s data transmission over 320 km with integrated silicon photonics, showcasing advances in secure high-speed communications.
Contribution
It introduces a novel 4.29 billion-ary QAM based Y-00 quantum cipher system with integrated silicon photonics for ultra-dense modulation and long-distance secure data transmission.
Findings
Successful transmission of 160 Gb/s over 320 km
Implementation of 4.29 billion-ary QAM in quantum cipher
Use of integrated silicon photonics for modulation
Abstract
We demonstrate a 4,294,967,296-ary quadrature amplitude modulation (QAM) based Y-00 quantum stream cipher system carrying 160-Gb/s 16-QAM signal transmitted over 320-km SSMF. The ultra-dense QAM cipher template is realized by an integrated two-segment silicon photonics I/Q modulator.
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