20240016068. SUPERCONDUCTING QUANTUM CIRCUIT simplified abstract (NEC Corporation)
Contents
SUPERCONDUCTING QUANTUM CIRCUIT
Organization Name
Inventor(s)
Yoshihito Hashimoto of Tokyo (JP)
Tsuyoshi Yamamoto of Tokyo (JP)
SUPERCONDUCTING QUANTUM CIRCUIT - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240016068 titled 'SUPERCONDUCTING QUANTUM CIRCUIT
Simplified Explanation
The abstract describes a superconducting quantum circuit that includes a resonator with a superconducting quantum interference device (SQUID) and a capacitor forming a closed loop. It also includes a control line connected to a control port and magnetically coupled to the SQUID. The control line has two lines with different characteristic impedances indicating different impedance values.
- The patent application describes a superconducting quantum circuit with a closed loop resonator and a SQUID.
- The circuit includes a control line that is magnetically coupled to the SQUID and has two lines with different characteristic impedances.
- The characteristic impedance values of the two lines are different from each other.
Potential Applications:
- Quantum computing: The superconducting quantum circuit can be used as a building block for quantum computers, enabling the manipulation and control of quantum states.
- Quantum communication: The circuit can be utilized in quantum communication systems for secure transmission of information using quantum entanglement.
Problems Solved:
- Control and manipulation of quantum states: The circuit provides a means to control and manipulate quantum states, which is crucial for various quantum technologies.
- Impedance matching: The use of two lines with different characteristic impedances allows for better impedance matching in the circuit, reducing signal reflections and losses.
Benefits:
- Enhanced quantum control: The circuit enables precise control and manipulation of quantum states, leading to improved performance in quantum computing and communication.
- Improved signal integrity: The use of different characteristic impedances in the control line helps in achieving better signal transmission and reducing losses.
- Scalability: The circuit can be scaled up to larger systems, allowing for the development of more complex quantum devices and systems.
Original Abstract Submitted
a superconducting quantum circuit includes: a first resonator having a superconducting quantum interference device and a capacitor that forms a closed loop together with the superconducting quantum interference device; and a control line being connected to a first control port and magnetically coupled to the superconducting quantum interference device, wherein the control line includes at least a first line having a characteristic impedance that indicates a first impedance value, and a second line being provided closer to a portion magnetically coupled to the superconducting quantum interference device than the first line and having a characteristic impedance that indicates a second impedance value being different from the first impedance value.
