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Key Encryption Through Quantum Optics

Madison Durrance, Zach Galberd, Abbey Savage +2 more

Jan 1, 20170 citations

Experimental quantum key distribution using macroscopic non-classical optical pulses

Andrew Funk, Michael G. Raymer, Dominic William Berry

We present experimental results for a proof-of-principle demonstration of a quantum key-distribution system using macroscopic non-classical optical pulses. The results show a bit error rate of less than the 11% threshold required for absolute security.

Conference on Lasers and Electro-OpticsJan 1, 20040 citations

Experimental realization of three quantum key distribution protocols

Aakash Warke, Bikash K. Behera, Prasanta Kumar Panigrahi

Quantum Information ProcessingNov 1, 202017 citations

Experimental demonstrations of unconditional security in a purely classical regime

Byoung Seung HAM

So far, unconditional security in key distribution processes has been confined to quantum key distribution (QKD) protocols based on the no-cloning theorem of nonorthogonal bases. Recently, a completely different approach, the unconditionally secured classical key distribution (USCKD), has been proposed for unconditional security in the purely classical regime. Unlike QKD, both classical channels and orthogonal bases are key ingredients in USCKD, where unconditional security is provided by deterministic randomness via path superposition-based reversible unitary transformations in a coupled Mach-Zehnder interferometer. Here, the first experimental demonstration of the USCKD protocol is presented.So far, unconditional security in key distribution processes has been confined to quantum key distribution (QKD) protocols based on the no-cloning theorem of nonorthogonal bases. Recently, a completely different approach, the unconditionally secured classical key distribution (USCKD), has been proposed for unconditional security in the purely classical regime. Unlike QKD, both classical channels and orthogonal bases are key ingredients in USCKD, where unconditional security is provided by deterministic randomness via path superposition-based reversible unitary transformations in a coupled Mach-Zehnder interferometer. Here, the first experimental demonstration of the USCKD protocol is presented.

arXiv:2008.05833Scientific ReportsFeb 18, 20218 citations

Analysis of Quantum Key Distribution Protocols in Hybrid Quantum-Classical Optical Network

东晨 Dong Chen, 赵尚弘 Zhao Shanghong, 董毅 Dong Yi +2 more

Laser & Optoelectronics ProgressJan 1, 20140 citations

Principle and Demonstration of Quantum Key Distribution without Monitoring Disturbance

Masato Koashi

In contrast to conventional QKD schemes, phase encoding on a coherent pulse train enables distribution of secure key without relying on the information-disturbance trade-off. Here we discuss its basic principle and an experimental demonstration.

Conference on Lasers and Electro-OpticsJan 1, 20160 citations

Experimental demonstration of secure quantum key distribution using macroscopic non-classical optical pulses

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