Products

Quantum Design and Manufacturing

QuREKA

About

Inspire & Connect

Empowering the Quantum Age

SDT harnesses the power of quantum computing to accelerate complex data processing and computation, unlocking new levels of efficiency in your business and research.

QDM for Your Success

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Control Electronics

Cryogenic Machinery

Machining

Quantum Computers

SDT, 에스디티, Quantum Computing, 양자소부장, CCU, TTMU, PGU, QCU, QDM

SDT, 에스디티, Quantum Computing, 양자소부장, CCU, TTMU, PGU, QCU. QDM for Machining

SDT, 에스디티, 양자컴퓨터, Quantum Computing, 양자소부장, CCU, TTMU, PGU, QCU, QDM

QDM for Measurement and Control Electronics

For researchers and institutions at the forefront of quantum technology, SDT is your dedicated partner in transforming groundbreaking research into robust, high-performance instruments.

Coincidence Counting Unit

Time Tagging Measurement Unit

Pulse Generator Unit

Qubit Controller Unit

Measurement and Control Electronics

QDM for Measurement and Control Electronics

For researchers and institutions at the forefront of quantum technology, SDT is your dedicated partner in transforming groundbreaking research into robust, high-performance instruments.

Coincidence Counting Unit

Time Tagging Measurement Unit

Pulse Generator Unit

Qubit Controller Unit

Measurement and Control Electronics

SDT, 에스디티, 극저온 장비, Cryogenic Machinery, QDM

QDM for Cryogenic Machinery

We deliver custom-tailored cryogenic machinery that meets your exact spatial, performance, and technical requirements for the most demanding research and industrial environments.

Faster Time-to-Market

Competitive Pricing

Fully Customizable

Proven Reliability

Cryogenic Machinery

QDM for Machining

Our machining services are enabling greater scalability, integration, and deployment flexibility for quantum hardware.

ISO-Certified Factory

Miniaturization & System Integration Expertise

End-to-End Solution Capabilities

Proven Track Record with Industry Leaders

Machining

Pre-Configured Quantum Computers

We deliver turnkey quantum systems—QPU, controls, and software integrated—so you can focus on research, not setup.

Global Partner Network

Multi-Platform Support

Advanced Software & Automation

Ready to Use from Day One

Quantum Computers

SDT, 에스디티, QDM, Quantum Computing, 양자소부장, CCU, TTMU, PGU, QCU

QDM for Measurement and Control Electronics

For researchers and institutions at the forefront of quantum technology, SDT is your dedicated partner in transforming groundbreaking research into robust, high-performance instruments.

Coincidence Counting Unit

Time Tagging Measurement Unit

Pulse Generator Unit

Qubit Controller Unit

Measurement and Control Electronics

QDM for Cryogenic Machinery

We deliver custom-tailored cryogenic machinery that meets your exact spatial, performance, and technical requirements for the most demanding research and industrial environments.

Faster Time-to-Market

Competitive Pricing

Fully Customizable

Proven Reliability

Cryogenic Machinery

QDM for Machining

Our machining services are enabling greater scalability, integration, and deployment flexibility for quantum hardware.

ISO-Certified Factory

Miniaturization & System Integration Expertise

End-to-End Solution Capabilities

Proven Track Record with Industry Leaders

Machining

Pre-Configured

Quantum Computers

We deliver turnkey quantum systems—QPU, controls, and software integrated—so you can focus on research, not setup.

Global Partner Network

Multi-Platform Support

Advanced Software & Automation

Ready to Use from Day One

Quantum Computers

Quantum Hybrid Data Center

Quantum-AI Hybrid Data Center

Powering Quantum-AI Hybrid Computing with NVIDIA GPU Infrastructure

KREO Series

Superconducting Quantum Computer

SDT's control and cryogenic infrastructure, combined with best-in-class QPUs from our partners for your hybrid computing experience

KREO, 크레오, 극저온 냉각기, SDT, 에스디티, Quantum Computing, QDM, 퀀텀, 양자컴퓨터, 20큐비트 퀀텀-AI 하이브리드 데이터센터,

KREO Series

AquaRack

KREO Series

Superconducting Quantum Computer

SDT's control and cryogenic infrastructure, combined with best-in-class QPUs from our partners for your hybrid computing experience

KREO, 극저온 냉각기, SDT, 에스디티, Quantum Computing, QDM, 퀀텀

KREO Series

AquaRack

Single‑Phase Liquid Immersion Cooling System

Immersion Cooling Infrastructure for High-Density CPU and GPU Systems, Enabling Stable Hybrid Computing Environments with KREO

AquaRack

KREO Series

Superconducting Quantum Computer

SDT's control and cryogenic infrastructure, combined with best-in-class QPUs from our partners for your hybrid computing experience

KREO Series

AquaRack

Single‑Phase Liquid Immersion Cooling System

Immersion Cooling Infrastructure for High-Density CPU and GPU Systems, Enabling Stable Hybrid Computing Environments with KREO

AquaRack

Hybrid Quantum Computing Cloud

One platform. CPU, GPU, and QPU combined.

Unlocking AI, optimization, and simulation through a stable, globally connected quantum–classical ecosystem.

One platform. CPU, GPU, and QPU combined.
Unlocking AI, optimization, and simulation through a stable, globally connected quantum–classical ecosystem.

GPU-Accelerated Quantum Workflows

Powered by NVIDIA DGX systems, QuREKA delivers up to 180× faster quantum simulations compared to CPU-only setups for demanding workloads.

Developer-Friendly CUDA-Q Integration

QuREKA natively supports NVIDIA CUDA-Q with familiar languages like Python and C, so developers can build quantum-classical pipelines using tools they already know.

Cloud-Ready Quantum Access

With secure remote cloud access, users can tap into advanced quantum and GPU resources anytime, anywhere, without managing on-premise infrastructure.

GPU-Accelerated Quantum Workflows

Powered by NVIDIA DGX systems, QuREKA delivers up to 180× faster quantum simulations compared to CPU-only setups for demanding workloads.

Developer-Friendly CUDA-Q Integration

QuREKA natively supports NVIDIA CUDA-Q with familiar languages like Python and C, so developers can build quantum-classical pipelines using tools they already know.

Cloud-Ready Quantum Access

With secure remote cloud access, users can tap into advanced quantum and GPU resources anytime, anywhere, without managing on-premise infrastructure.

GPU-Accelerated Quantum Workflows

Powered by NVIDIA DGX systems, QuREKA delivers up to 180× faster quantum simulations compared to CPU-only setups for demanding workloads.

Developer-Friendly CUDA-Q Integration

QuREKA natively supports NVIDIA CUDA-Q with familiar languages like Python and C, so developers can build quantum-classical pipelines using tools they already know.

Cloud-Ready Quantum Access

With secure remote cloud access, users can tap into advanced quantum and GPU resources anytime, anywhere, without managing on-premise infrastructure.

Ready to Ship

QCU

Qubit Controller Unit

Precisely measures and controls your qubits with a maximum signal bandwidth of up to 8.5 GHz.

QCU

Qubit Controller Unit

Precisely measures and controls your qubits with a maximum signal bandwidth of up to 8.5 GHz.

TTMU

Time Tagging Measurement Unit

Measures the arrival time of photons and the time differences between the arrival of photons with a resolution of 1 picosecond.

TTMU

Time Tagging Measurement Unit

Measures the arrival time of photons and the time differences between the arrival of photons with a resolution of 1 picosecond.

CCU

Coincidence Counting Unit

Detects simultaneous occurrences of input signals accurately with up to 20 channels.

PGU

Pulse Generator Unit

Generates precise pulses through 12 independent output channels and accurately controls the timing synchronization and sequence of the signals across your devices.

Insights

Stories

SDT, SDT 주식회사, 에스디티, 양자컴퓨터, 국내 양자컴퓨터, 양자컴퓨팅, 국내 양자컴퓨팅, NVIDIA 양자, 엔비디아 양자, NVIDIA Quantum, NVQLink, Anyon Technologies, Jin-sung Kim, Roger Luo, 박시균, 마이크로소프트 코리아, KREO, QuREKA, 에스디티 주식회사, 양자 sdt, sdt 양자, 양컴, 퀀텀컴퓨터, 퀀텀컴퓨팅

Yesterday, SDT Inc. marked the official opening of its Quantum-AI Hybrid Data Center in Seoul's Gangnam district — Korea's first commercial quantum computing facility.

Feb 5, 2026

Yesterday, SDT Inc. marked the official opening of its Quantum-AI Hybrid Data Center in Seoul's Gangnam district — Korea's first commercial quantum computing facility.

Feb 5, 2026

Stories

Yesterday, SDT Inc. marked the official opening of its Quantum-AI Hybrid Data Center in Seoul's Gangnam district — Korea's first commercial quantum computing facility.

Feb 5, 2026

Visions

SDT, a cryogenic cooler 'CryoRack', Quantum

SDT unveiled the CryoRack, a dilution refrigerator, through Quantum Korea 2025. In this video, we provide a detailed introduction to the structure, performance, and development roadmap of the CryoRack.

Jul 10, 2025

YouTube

Jul 10, 2025

YouTube

Visions

Jul 10, 2025

YouTube

Events

SDT participated in the '2025 KPS Fall Meeting' and introduced a lineup of quantum control and measurement equipment developed with domestic technology, as well as ultra-low temperature coolers.

Oct 22 ~ Oct 24, 2025

SDT participated in the '2025 KPS Fall Meeting' and introduced a lineup of quantum control and measurement equipment developed with domestic technology, as well as ultra-low temperature coolers.

Oct 22 ~ Oct 24, 2025

Events

SDT participated in the '2025 KPS Fall Meeting' and introduced a lineup of quantum control and measurement equipment developed with domestic technology, as well as ultra-low temperature coolers.

Oct 22 ~ Oct 24, 2025