Taiwan Semiconductor Research Institute Purchases 5-Qubit IQM Spark

Insider Brief Taiwan Semiconductor Research Institute (TSRI) has procured its first full-stack superconducting quantum computer, a 5-qubit IQM Spark, marking a significant milestone in Taiwan’s quantum computing development. The system, set for delivery and installation in Q2 2025, will support educational and research initiatives while advancing hardware integration for large-scale Read more…

Toshiba’s Double-Transmon Coupler for Superconducting Quantum Computers Achieves 99.9% Fidelity

Insider Brief: Toshiba and RIKEN successfully developed the Double-Transmon Coupler, achieving a two-qubit gate fidelity of 99.90%. The coupler improves gate speed (48 ns), extends coherence time, and reduces residual coupling strength to 6 kHz, addressing existing challenges in superconducting quantum computers. The Double-Transmon Coupler supports stable, easy-to-manufacture fixed-frequency transmon Read more…

Korean Researchers Implement Molecular Structure-level Quantum Simulations Using a Single Photon Qudit

Insider Brief Researchers at the Korea Institute of Science and Technology (KIST) have developed a qudit-based quantum computing algorithm that achieves chemical accuracy in estimating interatomic bond distances and ground-state energies without requiring additional error mitigation techniques. Unlike conventional quantum computing methods using qubits, the team utilized high-dimensional qudits to Read more…