UT-Battelle, LLC (20240275493). HIGH SPEED REMOVAL OF BIAS OF A HOMODYNE DETECTOR USING A CLONE LOCAL OSCILLATOR simplified abstract

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HIGH SPEED REMOVAL OF BIAS OF A HOMODYNE DETECTOR USING A CLONE LOCAL OSCILLATOR

Organization Name

UT-Battelle, LLC

Inventor(s)

Brian P. Williams of Oak Ridge TN (US)

HIGH SPEED REMOVAL OF BIAS OF A HOMODYNE DETECTOR USING A CLONE LOCAL OSCILLATOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240275493 titled 'HIGH SPEED REMOVAL OF BIAS OF A HOMODYNE DETECTOR USING A CLONE LOCAL OSCILLATOR

Simplified Explanation:

This patent application describes a receiver designed to eliminate bias in a homodyne detector by generating clone local oscillator (LO) pulses for reference and data-carrying pulses. These clone LO pulses are used to correct bias in measurements and maintain timing synchronization and polarization correction in a quantum key distribution system.

  • Receiver removes bias of a homodyne detector
  • Produces clone LO pulses for reference and data-carrying pulses
  • Clone LO pulses used to compensate for bias in measurements
  • Helps maintain timing synchronization and polarization correction
  • Suitable for continuous variable quantum key distribution systems

Key Features and Innovation:

  • Generation of clone LO pulses for bias correction
  • Use of clone LO pulses for compensation in measurements
  • Integration into quantum key distribution systems for secure communication

Potential Applications:

  • Quantum communication systems
  • Secure data transmission
  • Optical networking

Problems Solved:

  • Bias in homodyne detectors
  • Timing synchronization issues
  • Polarization correction challenges

Benefits:

  • Improved accuracy in measurements
  • Enhanced security in quantum communication
  • Reliable data transmission

Commercial Applications:

Optimized for SEO: Quantum Key Distribution System for Bias Correction and Synchronization

Questions about Quantum Key Distribution Systems:

1. How does the receiver in this patent application improve the accuracy of measurements in quantum communication systems? 2. What are the potential commercial implications of using this technology in secure data transmission networks?


Original Abstract Submitted

a receiver configured to remove a bias of a homodyne detector is provided. the receiver produces at least one clone local oscillator (lo) pulse per lo pulse for the reference pulse and per lo pulse for the data-carrying pulse. measurement made using clone lo pulses are used to compensate for the bias in reference measurements and data-carrying measurements. clone lo pulses are produced when the reference pulses and the data-carrying pulses are not expected to be present at the homodyne detector. the bias corrected reference measurements may be used as feedback to maintain a timing synchronization of the lo for the reference pulse and the lo for the data-carrying pulse with the corresponding reference pulse and the data-carrying pulse, respectively and for polarization correction. the receiver may be incorporated into a continuous variable (cv) quantum key distribution (qkd) system.

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