Science Highlights
Hybrid Quantum Processors: A Roadmap for Combining Qubits and Oscillators
C2QA researchers developed a quantum processor framework that combines qubits with oscillators — and links hardware capabilities to software.
Toward Practical Quantum Simulation of Particle Scattering
C2QA researchers developed quantum algorithms for simulations considered too computationally demanding for classical computers.
Connecting Superconducting Circuits Over a Kilometer of Optical Fiber
In a key step toward large-scale quantum computing, C2QA researchers transferred quantum signals between dilution refrigerators via fiber.
A Robust, Hydrogen-Free Telecom Qubit in Silicon
C2QA researchers identified a robust new qubit in silicon, called the CN center.
Reshaping Noisy Quantum Channels to Boost Entanglement
C2QA researchers developed a new adaptive framework that systematically transforms noisy quantum channels into more effective ones.
Identifying and Mitigating Vortex Loss in Tantalum Devices
Researchers identified a performance-limiting mechanism in superconducting quantum devices and demonstrated optimization strategies.
Intrinsic Nonlinearity of PtSi Constriction Josephson Junctions
C2QA researchers built constriction junctions using a silicon-compatible material — and showed that they have substantial intrinsic nonlinearity.
Fast Superconducting Qubit Control Using Subharmonic Drives
C2QA researchers demonstrated a new qubit control method that enables fast, high-fidelity operations while reducing heating.
Testing entanglement distillation with realistic noise
C2QA researchers demonstrated entanglement distillation on IBM superconducting quantum hardware.
