en.Wedoany.com Reported - Canadian quantum hardware company Qubic has completed a $2.5 million (approximately CAD 3.5 million) seed funding round, which was oversubscribed. The round was led by deep tech venture capital firm Two Small Fish Ventures, with participation from UC Investments, Quantacet, and UCeed. As a spin-off from the Institut Quantique and the Institute for Quantum Computing, Qubic will use the funds to accelerate the development of its microwave component product portfolio, expand manufacturing capacity, and bring its specialized radio frequency (RF) quantum sensing platform to market.

Qubic's core technology addresses a major hardware bottleneck in scaling superconducting quantum computers: the thermal and power constraints of dilution refrigerators. Traditional quantum processors rely on low-noise amplifiers based on standard semiconductors, which generate significant heat within the cryogenic chamber, potentially consuming nearly half the thermal budget of a sub-Kelvin refrigerator. Qubic bypasses this obstacle by designing Kinetic Inductance Traveling Wave Parametric Amplifiers (KI-TWPA), which derive their nonlinear inductance from the superconducting material of the transmission line itself, rather than relying on fragile Josephson junctions. This design enables the device to enhance microwave readout signals at the quantum limit while reducing heat dissipation per device to below 0.1 mW.

This seed round comes as Qubic begins commercializing its signal processing equipment, having already completed its first commercial hardware sale to quantum control stack developer Quantum Machines. The two parties are exploring integration pathways to build Qubic's ultra-low-noise KI-TWPA directly into hybrid control systems, optimizing multiplexed qubit readout and minimizing cryogenic thermal load. Beyond quantum computing, the funds will be used to triple Qubic's engineering team, accelerating its dual-use defense and aerospace roadmap, leveraging its core low-noise amplification technology to build advanced remote sensing and stealth communication platforms for threat detection and covert operations.

Relevant funding terms, commercialization milestones, and technical component specifications are available in Qubic's official press release, while institutional investment directives and deep tech portfolio tracking can be accessed via the Two Small Fish Ventures portal.

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