Areas of Application

Quantum cryptographic systems ensure the absolute and everlasting security of communications across a broad spectrum of end uses. QuintessenceLabs QKD systems are designed to suit numerous applications. Some of the most common applications include:

  • Link encryptors
  • Ultrasecure optical fibre networks
  • Wireless Point to point
  • Satellite QKD Uploads
  • Handheld devices

Link Encryptors

Link encryption ensures the secure communication of information in transit through an optical network. QuintessenceLabs QKD link encryption operates in real time and is transparent to all higher layer communications protocols. Link encryption is necessary when the security of a transmission channel cannot be assured, and it is not possible or desirable to modify existing communications protocols and equipment. For certain applications, including law enforcement and intelligence, link encryption is mandatory.

Ultrasecure Optical Fibre Networks

QuintessenceLabs QKD provides ultrasecure communications over:

  • optical fibre metropolitan area networks
    • direct point to point coverage up to 50 km
    • extended range possible using relay stations
  • tactical last mile fibre
  • optical local area networks (LANs) for in-house high performance security

Wireless Point to Point

Wireless systems provide the same ultrasecure encryption of a standard QuintessenceLabs QKD system, but offer a low cost alternative for short range communications between sites where a dedicated fibre link is not essential.

Satellite Communications

Current communication & military satellites are launched with a pre-defined encryption key sequence that, once exhausted cannot be refreshed. This defines the effective life of a satellite to be dependent on the quantity of data transmitted, rather than on the useable life of its hardware. Using a laser uplink and QuintessenceLabs QKD technology the encryption key database of a satellite can be securely re-keyed thus extending its useable life.

Handheld Devices

Our quantum cryptographic system can also be integrated into handheld devices to transfer secure material, by means of true one-time pad encryption, between handsets without risk of interception.

National Security

Other modes of operation suitable for defence or national security purposes are available. Contact us to learn more.