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Signal Upconversion

Signal upconversion in QKD receivers, involving a nonlinear process to change signal wavelengths, offers a robust defence against various quantum hacking techniques.

Literature

[Jain2016]	N. Jain and G. Kanter. "Upconversion-based receivers for quantum hacking-resistant quantum key distribution" In: Quantum Inf Process 15, 2863–2879. (2016) 10.1007/s11128-016-1315-y.

QID: CM-0024

Tier: T0

Type: Quantum

Tactic: Isolate

Created: 2024-03-02

Updated: 2024-08-20

Technique → Countermeasures

List of techniques where this countermeasure can be applied.

Items: 5

Description	Technique
Employ the upconversion technique.	Blinding Attack on Self-Differencing APDs
Employ the upconversion technique.	Illuminating and Faked States Attack on SNSPDs
Employ the upconversion technique.	Detector Control via After-Gate Pulses Attack
Employ the upconversion technique.	Detector Control by Exploiting Superlinearity
Employ the upconversion technique.	Blinding Attack Using Dead Time