Nec corporation (20240106543). TRANSMISSION CONTROL TECHNIQUES IN QUANTUM CRYPTOGRAPHIC COMMUNICATION SYSTEM simplified abstract

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TRANSMISSION CONTROL TECHNIQUES IN QUANTUM CRYPTOGRAPHIC COMMUNICATION SYSTEM

Organization Name

nec corporation

Inventor(s)

Hiroshi Imai of Tokyo (JP)

TRANSMISSION CONTROL TECHNIQUES IN QUANTUM CRYPTOGRAPHIC COMMUNICATION SYSTEM - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240106543 titled 'TRANSMISSION CONTROL TECHNIQUES IN QUANTUM CRYPTOGRAPHIC COMMUNICATION SYSTEM

Simplified Explanation

The patent application describes an illustrative transmitter that can improve signal-to-noise ratio and stability of the signal output in an optical transmission line susceptible to environmental changes. The transmitter includes an optical transmission section to generate weak signal light and reference light from a transmission light pulse, and a controller to modulate pulse intensity and pulse width of the transmission light pulse based on the transmission line state.

  • Optical transmission section generates weak signal light and reference light from a transmission light pulse
  • Controller modulates pulse intensity and pulse width of the transmission light pulse based on the transmission line state

Potential Applications

The technology can be applied in telecommunications, data transmission, and optical networking industries.

Problems Solved

The technology addresses issues related to signal degradation and instability in optical transmission lines due to environmental changes.

Benefits

The transmitter improves signal quality, enhances signal stability, and ensures reliable data transmission in optical communication systems.

Potential Commercial Applications

The technology can be utilized in fiber optic communication networks, data centers, and telecommunication infrastructure for improved performance and reliability.

Possible Prior Art

Prior art may include patents related to optical signal processing, signal modulation, and transmission line monitoring in optical communication systems.

Unanswered Questions

How does the transmitter adapt to different environmental conditions to maintain signal quality and stability?

The abstract does not provide specific details on how the controller adjusts pulse intensity and pulse width based on the transmission line state. Further information on the adaptive mechanisms employed by the transmitter would be beneficial.

What are the specific performance metrics used to evaluate the improvement in signal-to-noise ratio achieved by the transmitter?

The abstract mentions an improvement in signal-to-noise ratio, but it does not specify the quantitative measures or benchmarks used to assess this enhancement. Additional data on the actual performance gains would provide a clearer understanding of the transmitter's effectiveness.


Original Abstract Submitted

an illustrative transmitter can achieve improvement in sn ratio and stability of the signal output under control at the transmission side, even in the case of an optical transmission line having the propagation characteristics susceptible to environmental changes. the transmitter includes: an optical transmission section configured to generate weak signal light and reference light from a transmission light pulse, and transmit the signal light and the reference light to the optical transmission line; and a controller configured to modulate pulse intensity and pulse width of the transmission light pulse according to a transmission line state of probe light having propagated through the optical transmission line.