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Q.ant

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Photonic processors enabling energy-efficient AI and high-performance computing

Stuttgart, GermanyFounded 2018Semiconductors

Valuation $25–50M Last recorded · 2025

Revenue $50–100M Latest reported FY

Headcount <100 Current team size

Total funding $50–100M Disclosed equity funding

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About Q.ant

Q.ant operates at the forefront of photonic and quantum technology, developing solutions that address the scaling and energy consumption limitations of traditional semiconductor-based computing. The company was established in 2018 as a corporate spin-off from the research and development labs of German industrial technology firm TRUMPF. It was founded by Dr. Michael Förtsch, who currently serves as the CEO. Dr. Förtsch's background is deeply rooted in physics; he earned his doctorate at the Max Planck Institute for the Science of Light, where his research on single-photon sources laid the groundwork for the technologies now central to Q.ant. Before founding the startup, he worked as a strategy consultant and advisor to the CTO at TRUMPF, combining scientific expertise with industrial application.

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The company's business model centers on two main pillars: Native Computing and Native Sensing. For its computing segment, Q.ant develops and produces photonic processors designed to accelerate artificial intelligence (AI) and high-performance computing (HPC) workloads for clients in the data center and supercomputing sectors. These processors compute using light (photons) instead of electricity (electrons), which promises significant gains in energy efficiency and performance. Revenue is generated through the sale of these processors, which are offered as turnkey Native Processing Servers (NPS) that integrate into existing data center infrastructure as plug-in co-processors via a standard PCI-Express interface. The business model involves collaboration with partners to bring applications to market.

Q.ant's flagship product is a photonic Native Processing Unit (NPU) based on its proprietary Light Empowered Native Arithmetics (LENA) architecture. A key technological differentiator is the use of thin-film lithium niobate (TFLN) on insulator chips, a material that allows for efficient control of light at the chip level with minimal electricity, thereby reducing heat generation. This enables the NPU to perform complex mathematical operations, like matrix-vector multiplications central to neural networks, with a high degree of precision and speed. The company claims its processors can deliver up to 30 times greater energy efficiency and a 50-fold performance improvement over conventional chips without requiring complex cooling systems. Beyond computing, Q.ant's Native Sensing division develops quantum sensors for various applications, including magnetometers for human-machine interfaces, atomic gyroscopes for aerospace navigation, and particle sensors for industrial process control.

A significant milestone was the securing of a €62 million Series A financing round in July 2025, co-led by investors such as Cherry Ventures, UVC Partners, and imec.xpand, with participation from TRUMPF. This funding is intended to scale production, expand into the US market, and further develop next-generation processors. Q.ant operates its own TFLN chip pilot production line in Stuttgart in collaboration with the Institute for Microelectronics Stuttgart (IMS CHIPS), giving it control over its manufacturing value chain.

Source: Dealroom company data