Rigetti Computing Generates $100M to Drive Superconducting Quantum Computing Innovation and Scale

Insider Brief: Rigetti Computing announced the successful completion of $100 million in gross proceeds through its “at-the-market” equity offering program initiated in March 2024. The funds will be allocated to working capital, capital expenditures, and advancing its strategy in superconducting quantum computing, focusing on improving 2-qubit gate fidelity and scaling Read more…

Sony Ventures Looks to Quantum and Renewable Energy for Scalable Deep Tech Investments

Insider Brief Sony Ventures is exploring investments in quantum technologies to accelerate breakthroughs in computation and sensing for scalable applications. The firm is targeting renewable energy innovations that promise sustainable, high-impact solutions for global energy challenges. By prioritizing scalable, transformative technologies, Sony Ventures aims to strengthen its position at the Read more…

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…