Semiconductors Startups

Optalysys is a photonic computing company using silicon photonics to turn the optical layer into an arithmetic engine for high-performance computing. It targets applications in AI, security, and scientific discovery, aiming to overcome the data movement bottleneck of conventional electronic systems.

4 investors

Oso Semiconductor develops power-efficient, high-performance beamforming chipsets for wireless systems using phased-array (electrically steered) antennas, based on ultra-low-loss beamforming IP. Its technology targets SATCOM active electronically scanned arrays, defense and portable communication systems, drones, and 5G/6G and automotive radar markets.

4 investors

Owl AI develops image sensing technology, with expertise spanning low-noise imaging, data converters, and hardware DSP for applications in the automotive, consumer electronics, and defense markets.

4 investors

Pantherun develops encryption technology and data protection solutions to help organizations secure sensitive information at rest, in transit, and in use against cyber threats.

4 investors

Phosio develops UV-curable metal oxide precursors that enable low-temperature deposition for optical and electronic components used in smart glasses, semiconductors, and display technologies. The company's materials are designed to simplify manufacturing of advanced optical gratings and coatings, reducing production time and costs significantly compared to traditional methods.

4 investors

PhotonPath develops integrated photonic solutions for optical systems using silicon photonics and proprietary platform technologies. The company manufactures ultra-compact, high-performance optical modules for next-generation telecommunications and data center infrastructure.

4 investors

PQShield develops post-quantum cryptography (PQC) products, including optimized software libraries, SDKs, OpenSSL integration layers, and lattice-based hardware IP cores, to help organizations migrate systems to quantum-resistant cryptography. Founded as a University of Oxford spin-out, it serves industries such as semiconductors, telecommunications, automotive, industrial IoT, defense, aerospace, healthcare, and enterprise platforms.

4 investors

Quantifi Photonics develops test and measurement instruments for photonics applications, including coherent optical communication solutions, sampling oscilloscopes, laser sources, optical switches, spectrum analyzers, and related components for high-volume manufacturing and R&D laboratories.

4 investors

Quobly develops silicon-based quantum computers built on standard semiconductor manufacturing (300 mm wafers), producing rack-scale, data center-ready systems aimed at fault-tolerant, million-qubit machines. Its quantum computers target industrial applications in fields such as chemistry, materials science, optimization, and logistics.

4 investors

Rain Neuromorphics develops neuromorphic AI processors built as physical artificial neural networks using electroceramic materials, nanofabrication, and biologically inspired learning models. Its chips aim to support continuous, low-power on-device AI learning as an alternative to GPU/CPU-based neural network simulation.

4 investors

Qorvo develops radio frequency and power semiconductor components, including front-end modules, power amplifiers, filters, switches, GaN transistors, and power management ICs. Its products serve applications such as Wi-Fi, 5G, cellular, defense/aerospace, and cable/CATV infrastructure.

4 investors

Redlen Technologies makes multi-energy radiation imaging modules built on its proprietary Cadmium Zinc Telluride (CZT) semiconductor sensors, with a focus on Photon Counting detector solutions for Computed Tomography (PCCT). It supplies detector modules to Fortune 500 customers in the medical, security, and non-destructive testing markets, and operates as a wholly owned subsidiary of Canon Inc.

4 investors

SCINTIL Photonics develops multi-wavelength laser sources built on its heterogeneous integrated photonics circuit technology, generating optical carriers for scale-up compute networks. Its products target co-packaged optical I/O and data transmission applications through photonic integrated circuits and pluggable laser modules.

4 investors

SiMa.ai designs silicon and software to enable machine learning inference at the edge, deployed in industrial, automotive, and autonomous systems rather than cloud environments. The company serves manufacturers, vehicle makers, and equipment operators requiring low-latency AI processing on physical machines.

4 investors

SMART Photonics is a foundry and development partner specializing in integrated photonics technology. The company works with customers to design and manufacture photonic products for applications including telecommunications, sensing, and consumer electronics.

4 investors

Spectricity develops spectral sensing solutions using CMOS technology for consumer and mobile devices. The company is a fabless semiconductor firm with exclusive licensing from imec's patent portfolio.

4 investors

SpiNNcloud Systems builds neuromorphic, brain-inspired computing hardware based on its SpiNNaker2 Arm-based AI processors, aimed at running AI workloads at supercomputer scale with higher energy efficiency than GPUs. Its systems target data centers and high-performance computing environments facing energy constraints from GenAI growth.

4 investors

SweGaN produces gallium nitride on silicon carbide (GaN-on-SiC) wafers for high-performance power electronics and semiconductor devices. The company is involved in the CLOSER project, which recovers and recycles critical semiconductor materials like gallium and silicon carbide to reduce Europe's dependence on non-European suppliers and advance circular semiconductor manufacturing.

4 investors

Unispectral develops spectral imaging technology, with an R&D focus in optics, semiconductors, and related deep-tech fields. The company's leadership has backgrounds in optical communications, lasers, and spectral imaging research.

4 investors

Vathys worked on accelerating machine learning and deep learning through software, after initially building machine learning hardware intended to be faster than ASICs. The company operated in the AI/ML infrastructure space.

4 investors

Vector Photonics develops PCSEL (photonic crystal surface-emitting laser) semiconductor laser technology, holding the invention of its all-semiconductor PCSEL design. The company serves the photonics supply chain and a global customer base in the semiconductor and laser industry.

4 investors

Vorticity is building a scientific computing platform, redesigned from processor architecture up through system design, to run large-scale physics and engineering simulations faster. Its technology is used in the energy, life sciences, and aerospace industries to simulate designs such as fusion reactors, hypersonic aircraft, and cancer treatments before building them.

4 investors

Voyant Photonics builds chip-scale, solid-state FMCW LiDAR sensors using silicon photonics with on-chip beam steering, delivering 4D depth and velocity data without moving parts. Its Helium and Carbon sensor platforms target physical AI applications such as autonomous systems in factories, warehouses, cities, and industrial and consumer settings.

4 investors

Watttron develops digital heating technologies for industrial packaging and semiconductor manufacturing processes. The company offers precision heating and sealing solutions designed to improve energy efficiency, material usage, and process quality in thermoforming, packaging, and semiconductor applications.

4 investors