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PART 1Executive Overview
1Definition

Quantum cryptography involves the use of quantum mechanics to perform cryptographic tasks, with a focus on secure key distribution. It leverages principles such as quantum entanglement and superposition to generate and distribute encryption keys.

Category
Cybersecurity
Best use
Secure communication using quantum key distribution.
Stage
NEAR
2Problem It Solves

It addresses the issue of key distribution in traditional cryptography where keys are vulnerable to interception and eavesdropping during transmission. Quantum cryptography ensures that if a third party attempts to intercept the key, it will be detected due to the quantum mechanical properties of the particles used.

3Lifecycle / Journey Stage
early commercial
PART 2Technical & Manufacturing
4How It Works

Quantum cryptography utilizes quantum mechanical properties like entanglement and superposition to create secure communication channels. Key distribution is achieved through the use of quantum states, which can be photons or other particles. Any attempt to intercept these states will alter them, leading to immediate detection by the communicating parties.

5Materials Used
6Manufacturing / Creation Process

Manufacturing involves creating devices capable of generating and distributing quantum states (e.g., photons). These devices need to be highly precise and stable to ensure secure communication. The manufacturing process requires advanced materials science and engineering techniques.

7Build Process

The build process includes designing, fabricating, and testing quantum devices such as single-photon sources, detectors, and optical systems. Calibration of these components is critical for maintaining the security of the system.

PART 3Market & Industry
9Companies Involved
ID QuantiqueQ-CTRL

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10Estimated Costs

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11Case Studies

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PART 4Academic References
12Scientific Papers / White Papers

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13Patents

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14Glossary
quantum entanglement
A physical phenomenon where pairs or groups of particles interact in such a way that the quantum state of each particle cannot be described independently of the state of the others, even when the particles are separated by large distances.
superposition
In quantum mechanics, a system can exist in multiple states simultaneously until it is measured. This property allows for complex encryption and communication protocols.
quantum key distribution (QKD)
A method of secure communication that uses quantum mechanics to ensure the confidentiality of a shared secret key between two parties.
15References

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Related Technologies

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