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Gröblacher earned his PhD at the University of Vienna and completed a three-year postdoctoral fellowship at Caltech with Oskar Painter at the Kavli Nanoscience Institute, then joined TU Delft's Kavli Institute of Nanoscience in 2014 as a professor. His research focuses on quantum optomechanics — how light interacts with mechanical systems at the quantum level — and photonics. He co-founded QphoX to commercialize quantum transduction technology developed at Delft: a quantum modem that converts microwave quantum signals from superconducting processors to optical photons suitable for long-distance transmission.
Hijazi is the CEO and co-founder of QphoX, where he leads the commercial and operational strategy for the company's quantum modem technology. QphoX, founded as a spinout from TU Delft, is developing the world's first quantum transducer capable of linking superconducting quantum computers via optical fiber networks — a key enabling technology for distributed quantum computing and the quantum internet. Under his leadership the company has raised multiple rounds of funding from European deep-tech investors.
Stockill is a physicist and co-founder of QphoX, contributing expertise in quantum photonics and quantum transduction from his research background. His work involves the engineering of quantum optical interfaces at the boundary between microwave-frequency superconducting circuits and optical-frequency photonic systems. He co-founded QphoX alongside Simon Gröblacher and Frederick Hijazi to take quantum modem technology from TU Delft out of the laboratory and toward a manufacturable product.
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Launched March 2026, this device enables high-fidelity conversion of quantum states between microwave superconducting qubit signals and optical fiber-compatible photons, allowing quantum information to be transmitted across standard optical networks at room temperature. Leverages photonic integration, MEMS, and superconducting nanofabrication with a single-photon interface. IBM is the first partner to integrate the device, connecting superconducting qubits for distributed quantum computing prototypes.
Next-generation product (targeted for 2027 release) that will serve as a full modular quantum networking device for connecting quantum computers over optical fiber networks. Designed to enable distributed and modular quantum computing architectures in data centers and ultimately form the backbone of a quantum internet. Built on TU Delft QuTech research; currently in development following the initial Quantum Transducer commercial launch.