Semiconductor Quantum Computer
Semiconductor Quantum Computer
One of the most promising systems to realize the universal quantum computer at large scale
What is a semiconductor quantum computer?
A semiconductor quantum computer refers to a quantum computing physical system built on the foundation of realizing qubit encoding with gated semiconductor quantum dots. At extremely low temperatures, the discrete energy levels in quantum dots feature quantum properties and can be used to encode the two-level system required for quantum computing. According to the type, encoding qubits can be categorized into charge qubits, spin qubits, and hybrid qubits. Because of the ultra-long spin relaxation time and decoherence time, spin qubits can achieve extremely high manipulation fidelity and is the major object of our research.
Advantages of Semiconductor Quantum Computer
Massive expansion of integration
Compatible with the semiconductor chip process of classical computers, contributing to a higher possibility of expanding qubits into chips at large scale in the future.
Long coherence time Fast operation
The relatively long coherence time and fast operation speed of semiconductor spin qubits lay a solid foundation for the operation of quantum algorithms.
Potential adaptability to higher operating temperature
The large energy level difference in semiconductor qubits can withstand higher temperatures, and they are expected to expand at large scale into applications with a temperature environment of above 1K in the future.
Components of a Semiconductor Quantum Computer
Origin Wuben Semiconductor Quantum Computer consists of a 2-bit semiconductor quantum chip, a quantum control system, a quantum computer environment support system,
and a quantum computer operating system
Quantum Chip
The semiconductor quantum chip system based on the Xuanwei XW-S2-200 semiconductor two-bit quantum processor is the computing core of a semiconductor quantum computer.
Quantum Computer Environment Support System
It includes a dilution refrigerator system capable of delivering extremely low temperature and a superconducting magnet system capable of generating a vector magnetic field, so as to provide an extremely low temperature environment for the operation of semiconductor quantum chips, and the magnetic field conditions required for encoding and manipulating semiconductor qubits.
Quantum Computer Control System
The semiconductor quantum computer control system bridges software instructions and hardware computing. Consisting of a vector signal source, a precision DC voltage source, a multifunctional AWG module and an integrated high-speed data acquisition module, the system can generate, acquire, control and process precision signals required for the operating semiconductor quantum chips.
Quantum Computer Operating System
It provides the necessary system environment support for the software operating system of quantum computers, including automatic calibration of semiconductor quantum chips and parallel execution of quantum computing tasks.
Applications
Quantum computing's transformative power will reshape fields like biochemistry, artificial intelligence, fintech, information security, and engineering design.
