Patent · US Active

Quantum key distribution

US9219605B2 · kind B2 · utility

6Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 2, 2011
Grant dateDec 22, 2015
Priority date
Expiry dateApr 14, 2032

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L9/0852
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

An apparatus including: an input optical interface configured to receive a series of optical input signals each including photons; an encoder configured to encode a quantum key for distribution by encoding each of the series of received optical input signals with a measurable state; an attenuator configured to attenuate each of the encoded optical input signals to create a series of quantum optical signals; and an output optical interface configured to send the series of quantum optical signals to the remote apparatus via a quantum communication channel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.