View source for MARBEUF CONSEIL ET RECHERCHE (20240322916). QUANTUM COMMUNICATION SYSTEM USING ENTANGLED PHOTONS simplified abstract

=QUANTUM COMMUNICATION SYSTEM USING ENTANGLED PHOTONS=


==Organization Name==

[[:Category:MARBEUF CONSEIL ET RECHERCHE|MARBEUF CONSEIL ET RECHERCHE]]


[[Category:MARBEUF CONSEIL ET RECHERCHE]]

==Inventor(s)==

[[:Category:Bruno Sangle-ferriere of Paris (FR)|Bruno Sangle-ferriere of Paris (FR)]][[Category:Bruno Sangle-ferriere of Paris (FR)]]

==QUANTUM COMMUNICATION SYSTEM USING ENTANGLED PHOTONS - A simplified explanation of the abstract==


This abstract first appeared for US patent application 20240322916 titled 'QUANTUM COMMUNICATION SYSTEM USING ENTANGLED PHOTONS

The invention pertains to a quantum communication system, including an entangled photon transmitter, a first receiver, and a second receiver.

* The entangled photon transmitter generates pairs of entangled photons, with one photon emitted on a first path and the other on a second path.
* The first receiver absorbs the first photon in one of two polarizations and can either allow it to pass to a measuring instrument or prevent it from being measured.
* The second receiver includes an optical amplifier to demultiply the second photon while maintaining its polarization, along with a measuring instrument to measure the quantum state of the demultiplied photons.

Potential Applications:
- Secure communication systems
- Quantum cryptography
- Quantum key distribution

Problems Solved:
- Ensuring secure and private communication
- Overcoming limitations of classical communication systems
- Enhancing data encryption and decryption processes

Benefits:
- Enhanced security and privacy in communication
- Improved data encryption techniques
- Potential for quantum computing advancements

Commercial Applications:
Title: Quantum Communication System for Secure Data Transmission
This technology can be utilized in industries such as cybersecurity, defense, finance, and healthcare for secure data transmission and communication.

Questions about Quantum Communication Systems:
1. How does quantum entanglement ensure secure communication?
Quantum entanglement allows for the creation of correlated particles that can be used to encode information in a secure manner, as any attempt to intercept or measure the particles would disrupt their entangled state.
2. What are the potential challenges in implementing quantum communication systems on a large scale?
Implementing quantum communication systems on a large scale may face challenges such as scalability, cost, and compatibility with existing infrastructure. 

Frequently Updated Research:
Researchers are constantly exploring new methods to enhance the efficiency and reliability of quantum communication systems, including advancements in quantum key distribution protocols and quantum repeater technologies.


==Original Abstract Submitted==

the invention relates to a quantum communication system (), which comprises: ⋅ an entangled photon transmitter () comprising a source which is configured to generate at least one pair of entangled photons comprising a first photon (p) emitted on a first propagation path (d) and a second photon (p) emitted on a second propagation path (d); ⋅ a first receiver () which is arranged on the first propagation path (d) and comprises a first instrument (), which is arranged to absorb the first photon in one of two complementary polarisations, and an optical selector (), which is configured either to allow the first photon to pass towards said first measuring instrument () or to prevent it from being measured; and ⋅ a second receiver () which is arranged on the second propagation path (d) and comprises an optical amplifier (), which makes it possible to demultiply the second photon while maintaining its polarisation, and a measuring instrument (), which makes it possible to measure the average quantum state of the demultiplied photons (p).



[[Category:H04B10/70]]
[[Category:CPC_H04B10/70]]