LG ELECTRONICS INC. (20240267133). METHOD FOR PERFORMING QUANTUM SECURE DIRECT COMMUNICATION IN QUANTUM COMMUNICATION SYSTEM, AND APPARATUS THEREFOR simplified abstract

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METHOD FOR PERFORMING QUANTUM SECURE DIRECT COMMUNICATION IN QUANTUM COMMUNICATION SYSTEM, AND APPARATUS THEREFOR

Organization Name

LG ELECTRONICS INC.

Inventor(s)

Byungkyu Ahn of Seoul (KR)

Sangrim Lee of Seoul (KR)

Hojae Lee of Seoul (KR)

Jayeong Kim of Seoul (KR)

METHOD FOR PERFORMING QUANTUM SECURE DIRECT COMMUNICATION IN QUANTUM COMMUNICATION SYSTEM, AND APPARATUS THEREFOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240267133 titled 'METHOD FOR PERFORMING QUANTUM SECURE DIRECT COMMUNICATION IN QUANTUM COMMUNICATION SYSTEM, AND APPARATUS THEREFOR

The present specification describes a quantum secure direct communication method using differential time coding in a quantum communication system.

  • Receiving initial time and phase states from the receiving end on a quantum channel.
  • Receiving time state location information from the receiving end on a classical channel.
  • Selecting a specific initial time state for encoding based on the time state location information.
  • Generating an encoding time state by applying a time shift according to the value of the information being encoded.
  • Transmitting a message with the encoding time state to the receiving end through the quantum channel.

Potential Applications: - Secure communication in quantum networks - Quantum cryptography systems - Quantum key distribution protocols

Problems Solved: - Ensuring secure direct communication in quantum systems - Preventing eavesdropping and interception of messages

Benefits: - High level of security due to quantum properties - Efficient and reliable direct communication - Protection against hacking and data breaches

Commercial Applications: Title: Quantum Secure Direct Communication for Advanced Data Protection This technology can be applied in industries such as: - Defense and military - Financial institutions - Healthcare organizations

Questions about Quantum Secure Direct Communication: 1. How does quantum secure direct communication differ from traditional encryption methods?

  Quantum secure direct communication utilizes quantum properties for secure transmission, while traditional methods rely on mathematical algorithms for encryption.

2. What are the key advantages of using differential time coding in quantum communication systems?

  Differential time coding allows for secure and efficient encoding of information based on time intervals, enhancing the security of the communication process.


Original Abstract Submitted

the present specification provides a quantum secure direct communication (qsdc) method by which a transmitting end transmits a message on the basis of differential time coding, in a quantum communication system. more specifically, the method comprises the steps of: receiving, from a receiving end on a quantum channel, (i) at least one initial time state configured by including a time interval equal to a dead time of a single photon detector of the receiving end and (ii) at least one initial phase state; receiving, from the receiving end on a classical channel, time state location information for selecting a specific initial time state for encoding of information transmitted to the receiving end; selecting the specific initial time state for the encoding, on the basis of the time state location information: generating an encoding time state by encoding the information on the basis of the selected specific initial time state, the encoding time state being generated by applying a time shift on the basis of a value of the information being encoded; and transmitting a message including the encoding time state to the receiving end through the quantum channel, wherein the message is restored on the basis of a time difference between information on the at least one initial time state stored in the receiving end and information on the encoding time state.