Quantum

• Scientists achieved the first teleportation of a photon's state between two separate quantum dots over a 270-meter open-air link. • The experiment used GPS synchronization, ultra-fast detectors, and turbulence stabilization, reaching 82% state fidelity exceeding classical limits by over 10 standard deviations. • Published in Nature Communications, this milestone advances quantum internet for ultra-secure communication and quantum relays.

• Cisco Systems unveiled its first universal quantum switch, positioning it as a foundational component for building a scalable quantum internet infrastructure. • The switch represents a significant advancement in quantum networking technology and has garnered industry recognition this week. • The development signals Cisco's strategic pivot toward quantum computing infrastructure as enterprises begin exploring quantum-enabled applications.

• MIT scientists unveiled a new quantum computing design achieving stable operation of 1,024 qubits simultaneously, surpassing previous records and demonstrating significant error correction capabilities reported on April 21. • The innovation uses a novel topological qubit design with error rates of 0.1% per operation, enabling computations previously impossible due to quantum decoherence, according to research published in Physical Review Letters. • The breakthrough could accelerate commercial quantum computing applications in drug discovery, materials science, and optimization problems within 2-3 years, researchers said.

• Cowbell Cyber Inc. launched Prime One, a new U.S. cyber insurance product for organizations with $250 million to $1 billion in annual revenue. • The policy provides up to $10 million in coverage limits and includes affirmative protection for AI-related incidents and quantum computing risks. • Prime One addresses unauthorized use or access to AI systems in business operations, targeting advanced digital risk profiles.

• Google unveiled a new quantum processor featuring 10,000 qubits on April 19, claiming achievement of quantum advantage for practical optimization problems with error rates reduced by 60% compared to previous generations. • The chip, named Willow, successfully solved complex combinatorial optimization problems approximately one million times faster than classical supercomputers according to Google Quantum AI division testing. • The breakthrough potentially accelerates commercialization of quantum computing for applications including drug discovery, financial modeling, and supply chain optimization, attracting increased competition from IBM and IonQ.

• NTT Research in Sunnyvale, California, launched Scale Academy on April 15, 2026, an incubator led by SVP Bennett Indart to commercialize lab technologies from NTT divisions. • The first product, SaltGrain, is a zero-trust data security suite using attribute-based encryption (ABE) developed by NTT's Cryptography lab director Dr. Amit Sahai and Dr. Brent Waters. • Scale Academy aims to accelerate breakthrough products for market, focusing on quantum-safe security amid rising threats.

• Brookhaven National Laboratory researchers created superconducting quantum interference devices (SQUIDs) using transition metal silicides, compatible with silicon manufacturing processes. • The technique adapts standard electronics methods, marking a milestone for scalable quantum systems on April 14, 2026. • This bridges gaps in quantum computing hardware by enabling integration with existing semiconductor fabs.