公开(公告)号：US20240372628A1

公开(公告)日：2024-11-07

申请号：US18654540

申请日：2024-05-03

Applicant: THALES

Inventor： Jean-Didier GAYRARD ,  Mathieu BERTRAND

IPC: H04B10/70 ,  H04B10/118

Abstract: An optical signal generation device for quantum key exchange, includes a photon source generating at least one pulse stream, an ADC transducer converting the photons of a pulse stream into a random binary string, a quantum state modulator putting the photons of the pulses into a number and quantum state defined by a control word in order to generate the optical signal from one of the pulse streams, digital computing means: generating at least one random sequence having a given probability distribution and rate, based on the random binary string, generating the control word in accordance with the key exchange protocol based on said at least one random sequence. A payload for a satellite, comprising such an optical signal generation device is also provided.