Secure Quantum Metasurfaces for Direct Quantum Key Distribution Measurements

arXiv:2609.22946 · quant-ph, physics.optics · Submitted 2026-09-19 · Read on arXiv

quant-ph, physics.optics

Submitted: 2026-09-19

Updated: 2026-09-19

Comments: 37 pages, 23 figures; includes Supporting Information

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Aperture — 26× in this paper · explained in 1 episode
• Core — 24× in this paper · explained in 2 episodes
• Benchmark — 20× in this paper · explained in 2 episodes
• Calibration — 20× in this paper · explained in 7 episodes
• Fidelity — 13× in this paper · explained in 2 episodes
• Consistency — 5× in this paper · explained in 3 episodes
• Entanglement — 4× in this paper · explained in 3 episodes
• Distillation — 2× in this paper · explained in 2 episodes
• Robustness — 2× in this paper · explained in 5 episodes
• Alignment — 1× in this paper · explained in 1 episode
• Trace — 1× in this paper · explained in 2 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• Security of Quantum Key Distribution with Realistic Devices

Related papers

• Reconquering Bell sampling on qudits: stabilizer learning and testing, quantum pseudorandomness bounds, and more
• Encrypted clones can leak: Classification of informative subsets in Quantum Encrypted Cloning
• Polynomial-time classical and quantum simulation of quantum impurity models
• A quasiparticle-protected superconducting qubit
• Theory of quantum-enhanced interferometry with general Markovian light sources
• A convergent hierarchy of spectral gap certificates for qubit Hamiltonians