Quantum mechanics

Quantum key distribution

Engineering

Statistics

Continuous variable

Applied mathematics

Computer security

Modulation (music)

Theoretical computer science

Hilbert space

Heterodyne detection

Computer science

Acoustics

Statistical physics

Laser

Physics

Mathematics

Mathematical proof

Electronic engineering

Heterodyne (poetry)

Mathematical analysis

Geometry

Quantum

Key (lock)

PRX Quantum

Security proofs that incorporate physical constraints of realistic heterodyne detectors are presented, establishing a rigorous analysis of collective attacks in a continuous-variable quantum cryptography scheme.

Quantum Key Distribution with Nonideal Heterodyne Detection: Composable Security of Discrete-Modulation Continuous-Variable Protocols