20240031139. QUANTUM KEY DISTRIBUTION DEVICE AND METHOD SUITABLE FOR ESTABLISHING A GLOBAL QUANTUM KEY DISTRIBUTION NETWORK simplified abstract (Terra Quantum AG)
QUANTUM KEY DISTRIBUTION DEVICE AND METHOD SUITABLE FOR ESTABLISHING A GLOBAL QUANTUM KEY DISTRIBUTION NETWORK
Organization Name
Inventor(s)
Valerii M. Vinokur of St. Gallen (CH)
Nikita S. Kirsanov of St. Gallen (CH)
Gordey B. Lesovik of St. Gallen (CH)
Pavel Sekatski of St. Gallen (CH)
Alexander Kolybelnikov of St. Gallen (CH)
Valeria Pastushenko of St. Gallen (CH)
Alexey Kodukhov of St. Gallen (CH)
QUANTUM KEY DISTRIBUTION DEVICE AND METHOD SUITABLE FOR ESTABLISHING A GLOBAL QUANTUM KEY DISTRIBUTION NETWORK - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240031139 titled 'QUANTUM KEY DISTRIBUTION DEVICE AND METHOD SUITABLE FOR ESTABLISHING A GLOBAL QUANTUM KEY DISTRIBUTION NETWORK
Simplified Explanation
The abstract describes a quantum key distribution device that receives optical input signals from a transmitter device and establishes a shared quantum cryptographic key based on the detected signals. The device includes an input signal path, an output signal path, and a detector signal path.
- The input signal path receives multiple optical input signals from a transmitter device.
- The output signal path is connected to the input signal path and emits multiple first optical output signals.
- The detector signal path is connected to the input signal path and includes a photon detector device that detects the optical input signals.
- The device establishes a shared quantum cryptographic key with the transmitter device based on the detected optical input signals.
- The input signal path forms an input path of a Mach-Zehnder interferometer.
- The output signal path and the detector signal path form output paths of the Mach-Zehnder interferometer.
Potential Applications:
- Quantum key distribution devices can be used for secure communication in various fields such as military, government, finance, and healthcare.
- The technology can be applied in quantum networks and quantum computing systems to ensure secure data transmission.
Problems Solved:
- The device solves the problem of secure key distribution by utilizing the principles of quantum mechanics to establish a shared cryptographic key.
- It addresses the vulnerability of traditional encryption methods to hacking and eavesdropping.
Benefits:
- Quantum key distribution provides unconditional security, as it is based on the fundamental laws of physics.
- The technology offers a high level of encryption that cannot be easily compromised.
- It enables secure communication over long distances, overcoming the limitations of traditional encryption methods.
- Quantum key distribution ensures the integrity and confidentiality of sensitive information.
Original Abstract Submitted
a quantum key distribution device comprises an input signal path receiving a plurality of optical input signals from a transmitter device, an output signal path connected to the input signal path at a first end and emitting a plurality of first optical output signals at a second end, and a detector signal path connected to the input signal path at a third end and comprising a photon detector device at a fourth end opposite to the third end. the photon detector detects optical input signals from the transmitter device, and the quantum key distribution device establishes a shared quantum cryptographic key with the transmitter device based on the detected optical input signals. the input signal path forms an input path of a mach-zehnder interferometer, and the output signal path and the detector signal path form output paths of the mach-zehnder interferometer.
