17644453. Balanced Inductor H-Tree for Powering Energy-Efficient SFQ Circuits simplified abstract (INTERNATIONAL BUSINESS MACHINES CORPORATION)

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Balanced Inductor H-Tree for Powering Energy-Efficient SFQ Circuits

Organization Name

INTERNATIONAL BUSINESS MACHINES CORPORATION

Inventor(s)

Matthew Beck of Danbury NY (US)

John Bulzachelli of Somers NY (US)

Balanced Inductor H-Tree for Powering Energy-Efficient SFQ Circuits - A simplified explanation of the abstract

This abstract first appeared for US patent application 17644453 titled 'Balanced Inductor H-Tree for Powering Energy-Efficient SFQ Circuits

Simplified Explanation

The patent application describes a circuit structure that includes a wiring tree between a feeding Josephson transmission line (FJTL) and a global bias line. The wiring tree has an H-tree structure, with each branch connected by a current limiting junction of the FJTL, and a single output port connected to the global bias line. Another embodiment includes multiple FJTLs between a feed line and a global bias line, with a similar path from the feed line through each FJTL to the global bias line.

  • The circuit structure includes a wiring tree with an H-tree structure.
  • Each branch of the H-tree is connected by a current limiting junction of the FJTL.
  • The wiring tree connects the feeding Josephson transmission line (FJTL) to the global bias line.
  • The H-tree structure has a single output port connected to the global bias line.
  • Another embodiment includes multiple FJTLs between a feed line and a global bias line.
  • The path from the feed line through each FJTL to the global bias line is substantially similar.

Potential Applications

  • This circuit structure can be used in superconducting electronic devices and systems.
  • It can be applied in quantum computing, where Josephson junctions are commonly used.
  • The H-tree structure can be beneficial in high-speed data transmission and signal processing applications.

Problems Solved

  • The circuit structure provides an efficient and organized way to connect the FJTL to the global bias line.
  • The H-tree structure helps in distributing the current evenly and reducing the impact of current fluctuations.
  • It solves the problem of current limiting and ensures stable operation of the circuit.

Benefits

  • The wiring tree with an H-tree structure allows for better current distribution and reduces the impact of current fluctuations.
  • The circuit structure provides a simplified and organized connection between the FJTL and the global bias line.
  • It improves the stability and performance of superconducting electronic devices and systems.


Original Abstract Submitted

An embodiment of the invention may include a circuit structure. The circuit structure may include a wiring tree located between a feeding Josephson transmission line (FJTL) and a global bias line. The circuit may include the wiring tree having an H-tree structure, wherein each branch of the H-tree is connected by a current limiting junction of the FJTL, and wherein a single output port of the H-tree structure is connected to the global bias line. Another embodiment of the invention may include a circuit structure a circuit structure a plurality of feeding Josephson transmission lines (FJTLs) located between a feed line and a global bias line. The path of from the feed line through each FJTL and to the global bias line is substantially similar.

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