SDT Introduces Korea’s First Homegrown Cryogenic Cooler at Quantum Korea 2025
SDT Introduces Korea’s First Homegrown Cryogenic Cooler at Quantum Korea 2025
Business Korea recently reported that at Quantum Korea 2025, SDT announced the unveiling of CryoRack, the nation’s first domestically developed cryogenic cooler designed for quantum computing applications. The Korean quantum technology firm revealed it is currently in talks with European firms in materials, parts, and equipment sectors for export agreements ahead of CryoRack’s official commercial release next month.
CryoRack is engineered to cool superconducting quantum processing units (QPUs) to ultra-low temperatures—below 10 millikelvin (approximately –273 °C)—ensuring quantum systems operate in a stable state. As a critical component of quantum computers, this cooler enables consistent quantum coherence during operations.
SDT acquired intellectual property (IP) rights for 50‑qubit‑class cooling technology from global player Anyon Technologies and has established a localized production line. The company is also developing a modular configuration to support future quantum systems with over 1,000 qubits.
This development represents a strategic move toward reducing Korea’s dependence on imported cryogenic cooling infrastructure. CryoRack incorporates domestically manufactured components, including dilution refrigeration frames, cooling units, measurement-control systems, low‑temperature filters, and temperature regulation electronics.
Yoon Ji‑won, CEO of SDT, emphasized that CryoRack was achieved by directly designing and fabricating a majority of its key components, rather than relying on basic assembly. He highlighted its importance in Korea’s superconducting QPU‑based quantum computing projects, calling it a meaningful step in technology localization.
Quantum Korea 2025 takes place on 24 June at the aT Center in Yangjae, Seocho‑gu, Seoul.
About SDT
Founded in 2017 and headquartered in Seoul, SDT is a specialist ODM (original design manufacturer) dedicated to accelerating the commercialization of quantum technology . The company develops ultra-precision hardware and software that span quantum computing, quantum cloud, quantum communication, and quantum sensing. SDT’s product lineup includes quantum‑grade devices such as qubit controller units (QCU), time‑tagging measurement units (TTMU), coincidence counting units (CCU), and pulse generator units (PGU), all designed for high‑frequency performance and picosecond‑level resolution . By integrating quantum technologies across multiple platforms—like superconducting circuits, silicon spin, neutral‑atom, diamond NV centers, and photonics—SDT supports clients ranging from startups and research institutions to enterprises via hybrid quantum‑cloud solutions . SDT also collaborates with global partners and public sector organizations to advance quantum ecosystems, notably in areas such as quantum cryptography, industrial sensing, and mission‑critical infrastructure
Cryogenic cooling is essential for operating superconducting quantum processing units (QPUs), which require near-absolute zero temperatures to maintain quantum coherence. SDT’s CryoRack enables this by achieving temperatures below 10 millikelvin (–273 °C), creating a stable environment for quantum computation. This technology is critical because thermal noise disrupts qubit states, making ultra-low temperatures vital for error-free quantum operations. The development of a domestic cryogenic cooler marks a strategic milestone for Korea’s quantum ecosystem, reducing reliance on foreign suppliers and enabling scalable, modular quantum systems. It paves the way for advanced quantum computing infrastructure using superconducting technology.
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