17808972. MAGNETIC STRUCTURES FOR RESONANT MANIPULATION OF SPIN simplified abstract (INTERNATIONAL BUSINESS MACHINES CORPORATION)

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MAGNETIC STRUCTURES FOR RESONANT MANIPULATION OF SPIN

Organization Name

INTERNATIONAL BUSINESS MACHINES CORPORATION

Inventor(s)

Michele Aldeghi of Cadro (CH)

Rolf Allenspach of Rueschlikon (CH)

Gian R. Von Salis of Aeugst am Albis (CH)

MAGNETIC STRUCTURES FOR RESONANT MANIPULATION OF SPIN - A simplified explanation of the abstract

This abstract first appeared for US patent application 17808972 titled 'MAGNETIC STRUCTURES FOR RESONANT MANIPULATION OF SPIN

Simplified Explanation

The patent application describes a qubit system for quantum computing that utilizes a semiconductor structure, an array of plunger gates, and an array of magnetic structures. Here are the key points:

  • The qubit system consists of a semiconductor structure, an array of plunger gates, and an array of magnetic structures.
  • The plunger gates form a linear one-dimensional array of quantum dots (QDs) in the semiconductor structure.
  • The magnetic structures generate stray fields in the same plane as the array of QDs.
  • The QDs are positioned between the poles of individual magnetic structures.
  • An external field is applied parallel to the linear array of QDs.
  • The external field is adjusted to allow the magnetization of the magnetic structure to create a stray field, resulting in different total magnetic fields at different qubit locations.

Potential Applications:

  • Quantum computing: The qubit system can be used for quantum computing applications, taking advantage of the unique properties of quantum dots and magnetic structures.

Problems Solved:

  • Qubit stability: The use of magnetic structures and external fields helps stabilize the qubits, reducing the impact of external noise and fluctuations.

Benefits:

  • Improved qubit performance: The qubit system's design and configuration enhance the stability and reliability of qubits, leading to improved performance in quantum computing applications.
  • Scalability: The linear one-dimensional array of quantum dots allows for scalability, enabling the construction of larger and more powerful quantum computing systems.


Original Abstract Submitted

A qubit system for quantum computing includes a semiconductor structure, an array of plunger gates, and an array of magnetic structures. The array of gates is above the semiconductor structure forming a linear one-dimensional (1D) array of quantum dots (QDs) in the semiconductor structure. The array of magnetic structures generates stray fields in the same plane as the array of QDs. The QDs in the array are positioned between poles of individual magnetic structures in the array of magnetic structures. An external field is applied in a direction that is parallel to the linear 1D array of QDs. The external field is adjusted to allow the magnetization of the magnetic structure to create a stray field that leads to different total magnetic fields at different qubit locations.

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