TeleQKD line

Single photon detectors for industrial Quantum Key Distribution (QKD) systems.

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Key features
  • A cost-efficient but high quality solution
  • Optimized for 1550 nm
  • High efficiency & low noise
  • High count rate for high secret key rate
  • Compact and rack-mountable system
  • Automated cooldown and continuous operation
  • Low timing jitter and no after-pulsing
  • Low quantum bit error rate (QBER) maintained over long distance

Introducing TeleQKD line: Our affordable high quality solution

How to create a QKD link from Amsterdam to Berlin? From QKD to quantum internet, Single Quantum provides the best solutions optimized for your communication network. Metropolitan areas could be connected with a distance of hundreds of kilometers, as demonstrated by Toshiba in 2017, 2019 and 2024 with a Single Quantum system.

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Our rack-mountable SNSPD system alleviate potential bottlenecks in photon detection that limit communication networks, ensuring easy integration in research labs as well as industrial settings.

Fiber-coupled solution

Our fiber-coupled system has been instrumental in advancing long-distance Quantum Key Distribution (QKD) technology across Europe. From enabling a connection hub in the Port of Rotterdam as part of the world’s first scalable quantum internet project to supporting the longest QKD deployment over a single fiber in partnership with Toshiba, our technology is trusted by leading industrial partners.

These collaborations are driving the growth of secure quantum networks and pushing the boundaries of quantum communication.

  • Rack-mountable cryostat (3U)
  • Compact and scalable electronic driver (2U)
  • Versatile and scalable system
  • Add-ons for best performances available

Free-space coupling solution

Single Quantum provides a free-space coupling solution, Iris X. It comprises a cryostat with an optical window, which can host an SNSPD array perfect for free-space QKD as well as deep-space laser communication, as demonstrated in our collaboration with ESA for Psyche Mission.

  • Low noise environment for photon detection
  • Ample space allocated for auxiliary components
  • Capability to host an SNSPD array of up to 48 pixels

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Datasheet

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How to keep your data safe with quantum technology?

One of the most promising approach to ensure a secure communication is Quantum Key Distribution (QKD), a quantum cryptography method to produce and share encryption keys. Moreover, quantum internet can enable sending and receiving quantum bits (qubits) over a large network, paving the way to cloud quantum computing.

Here, single photon detection is the key enabling technology. In particular, Single Quantum SNSPDs prove to be ideal for QKD and quantum internet applications, due to their outstanding performance [1,2,3].

Collaborations

Collaborating to advance quantum communication

At Single Quantum, we value collaboration as a cornerstone of innovation. By partnering with leading organizations and research groups, we bring together cutting-edge technologies to address the challenges of quantum communication. These collaborations enable us to push the boundaries of what’s possible, ensuring robust and scalable solutions for the growing demands of secure data transmission.
Toshiba Europe and Single Quantum parnter to probide extended long-distance QKD deployment capability

Toshiba Europe Ltd. and Single Quantum B.V. have collaborated to test and validate long-distance deployments of Quantum Key Distribution (QKD) technology.

Following extended validation testing of Toshiba’s QKD technology and Single Quantum’s superconducting nanowire single photon detectors (SNSPDs), both companies are pleased to announce a solution that substantially extends the transmission range for QKD deployment over fibre connections, up to and beyond 300km.

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Scientific Publications

Quantum Communication

Quantum Optics and Photonics research

Superconducting Single Photon Detectors

Questions about the TeleQDK line?

To tailor the optimal solution for you, our engineers will assist you, starting from understanding your needs and define the system specifications together with you.

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