Silicon Spin Qubits

Silicon Spin Qubits

Silicon Spin Qubits

Image courtesy of SemiQon

Overview

Overview

Overview

Silicon spin qubits are a promising quantum computing technology that leverage the spin states of particles like electrons and holes trapped in energy wells, formed by gate structures similar to field-effect transistors. Semiconductor qubits, particularly silicon spin qubits, are emerging as the next-generation quantum computing platform due to their long coherence times, low spin-orbit coupling, and high gate fidelity.


Recent advancements, such as the micro-magnet technique, have demonstrated Rabi oscillations exceeding 20 MHz, enabling single qubit gates with over 99.9% fidelity and fast two-qubit gate implementations. Silicon spin qubits are also highly compatible with the CMOS process, the foundation of the modern semiconductor industry, and hold the potential to create large-scale integrated quantum processors using the well-established silicon manufacturing process, honed over the past 70 years.


This positions South Korea, as a semiconductor leader, to capitalize on its existing infrastructure and expertise, giving it a competitive edge in the global quantum race. SDT, leveraging strategic partnerships, is poised to rapidly enter the global forefront of quantum technology. Building on this strong foundation, SDT is on track to reach the significant milestone of achieving 50 silicon spin qubits by the first half of 2027.

Silicon spin qubits are a promising quantum computing technology that leverage the spin states of particles like electrons and holes trapped in energy wells, formed by gate structures similar to field-effect transistors. Semiconductor qubits, particularly silicon spin qubits, are emerging as the next-generation quantum computing platform due to their long coherence times, low spin-orbit coupling, and high gate fidelity.


Recent advancements, such as the micro-magnet technique, have demonstrated Rabi oscillations exceeding 20 MHz, enabling single qubit gates with over 99.9% fidelity and fast two-qubit gate implementations. Silicon spin qubits are also highly compatible with the CMOS process, the foundation of the modern semiconductor industry, and hold the potential to create large-scale integrated quantum processors using the well-established silicon manufacturing process, honed over the past 70 years.


This positions South Korea, as a semiconductor leader, to capitalize on its existing infrastructure and expertise, giving it a competitive edge in the global quantum race. SDT, leveraging strategic partnerships, is poised to rapidly enter the global forefront of quantum technology. Building on this strong foundation, SDT is on track to reach the significant milestone of achieving 50 silicon spin qubits by the first half of 2027.

R&D Collaboration with the Department of Physics and Astronomy at Seoul National University

R&D Collaboration with the Department of Physics and Astronomy at Seoul National University

R&D Collaboration with the Department of Physics and Astronomy at Seoul National University

Silicon spin qubits offer several advantages, but their development has faced challenges, including limited accessibility compared to other platforms, a lack of software resources, and usability concerns.


To address these issues, Professor Dohun Kim's laboratory at Seoul National University is collaborating with SDT on enhancing the platform. SDT is developing an Integrated Development Environment (IDE) that unifies the entire quantum computing workflow. This platform will integrate everything from the basic hardware implementation of two-dimensional quantum wells to quantum gate operations, quantum control, and the application of two-qubit quantum algorithms, all within a user-friendly interface.


Additionally, SDT offers quantum computing cloud services that support the growing number of silicon spin qubits, along with automatic tuning capabilities powered by machine learning. The platform also features qubit optimization techniques, closed-loop control, and PID control functions, streamlining the development process and improving performance.

Image courtesy of Prof. Dohun Kim

Image courtesy of Prof. Dohun Kim

SDT’s Partnership with SemiQon

SDT’s Partnership with SemiQon

SDT’s Partnership with SemiQon

In November 2024, SDT took a significant step toward the commercialization and mass production of quantum computing by signing an MOU with SemiQon, a leading Finnish company specializing in semiconductor-based QPU technology. This agreement marks the beginning of SDT’s expansion into quantum computing, leveraging its strong manufacturing expertise to secure leadership in the global market.


Through this partnership, SDT aims to enhance the stability and scalability of quantum computing by integrating SemiQon’s silicon-based QPU chips with SDT’s cutting-edge quantum precision measurement equipment. Together, the companies will drive cost reductions and establish a robust mass production system by utilizing existing semiconductor manufacturing infrastructure.


SemiQon builds silicon-based quantum processors for the million-qubit era. SemiQon’s mission is to realize the promise of quantum computing by delivering scalability through powerful, resilient, and cost-effective quantum processors. SemiQon’s technology builds upon decades of development and know-how from the semiconductor industry, making its silicon processors commercially competitive and well-suited for mass-manufacturing.

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SDT Corporation

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5, 10th Floor, Teheran-ro 44-gil, Gangnam-gu, Seoul, 06211 (Yeoksam-dong, Daeya Building)

Business Registration Number: 630-87-00933

Copyright© SDT Inc., All rights reserved.

English
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SDT Corporation

5, 10th Floor, Teheran-ro 44-gil, Gangnam-gu, Seoul, 06211 (Yeoksam-dong, Daeya Building)

Business Registration Number: 630-87-00933

Copyright© SDT Inc., All rights reserved.

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