Deep Tech Startups

Lumen Labs develops robotics systems that learn through real-time interaction with the environment rather than from recorded demonstrations, teleoperation, or hand-coded behaviors. The company focuses on building physical intelligence modeled on biological learning to create robots that generalize across changing conditions.

1 investor

Lumenci is an intellectual property consulting firm that helps organizations monetize, license, enforce, and litigate patent portfolios through services like portfolio analysis, claim charts, reverse engineering, source code review, IP valuation, and expert witness support. It serves enterprises, law firms, investors, universities, and IP funders across technology domains including software, semiconductors, telecom, wireless, and hardware.

1 investor

Lumencor develops photonics solutions and LED lighting technologies. The company serves research, medical, and industrial markets with specialized light sources.

1 investor

Lumentum designs and manufactures optical and photonic technologies for artificial intelligence, data centers, telecommunications, industrial applications, and sensing. The company serves cloud infrastructure providers, telecommunications networks, and industrial manufacturers with semiconductor-based components that optimize data transmission, power efficiency, and precision sensing.

1 investor

Lumetrics develops optical imaging and photonics technologies for precision measurement and inspection in industries including medical devices, automotive, and ophthalmic sectors. The company serves Fortune 500 manufacturers and enterprises requiring advanced optical metrology systems and solutions.

1 investor

Lumics designs and manufactures high-quality diode lasers and related optical components for telecommunications, industrial, and other applications. Founded as a specialist in laser pump sources, the company has expanded its product portfolio to serve multiple industries globally.

1 investor

LUMILOOP designs and manufactures laser-powered (Power-over-Fiber) electric field probes and RF power meters used for electromagnetic compatibility (EMC) testing and other RF measurement applications. Its instruments serve EMC labs and test chambers, offering ISO 17025 accredited calibration.

1 investor

Luminary Cloud provides a platform that lets engineering teams encode physics into AI models ("Physics AI"), training on simulation, test, and operational data to predict how designs flow, deform, heat, and move in under a second. It targets high-stakes engineering environments, supporting structural, fluids, thermal, and electromagnetics work across the product design, build, and operation lifecycle.

1 investor

Luminary offers a platform that lets engineering teams encode physics into AI models, providing near-instant high-fidelity predictions of physical behavior across structural, fluids, thermal, and electromagnetics domains. Its "Physics AI Factory" connects data, model development, validation, deployment, and retraining for high-stakes engineering environments such as automotive, defense, and aerospace.

1 investor

Luminate is an accelerator or startup support program that brings cohorts of deep-tech founders to New York City annually for investor meetings, industry feedback, and networking with established companies and research institutions.

1 investor

Lumus develops geometric reflective waveguide technology for near-eye displays used in augmented reality glasses, aiming for daylight-readable, energy-efficient displays in a normal eyewear form factor. Its optics are used in applications such as spinal surgery and by military fighter pilots.

1 investor

Luna Innovations develops fiber optics, nanomaterials, and precision assembly solutions across multiple technical domains. The company serves customers requiring advanced materials and optical technologies for enterprise and industrial applications.

1 investor

LunaLEC is a Swedish deep tech company developing printable Light-emitting Electrochemical Cell (LEC) technology to create flexible light sources for commercial products. Spun out of research at Umeå University, it works with partners worldwide to bring printable light to product applications.

1 investor

Lunaphore provides spatial biology technology and solutions that enable researchers to integrate spatial analysis into laboratory workflows. The company offers a scalable, precision platform designed to make spatial biology research accessible and mainstream across diverse lab environments.

1 investor

The Lunar Resources Registry facilitates the registration and documentation of lunar surface resources and locations within existing international legal frameworks, serving space resource entrepreneurs and agencies developing commercial lunar operations and resource extraction activities.

1 investor

Lunar VC is a venture capital fund that invests in early-stage technical founders at the pre-revenue stage, providing capital from $500K to $2M per check.

1 investor

Lunetronic conducts research on a cryogenic optical clock concept, the "Lunar Super-Laser," intended to be placed in a permanently shadowed lunar crater to serve as timekeeping and navigation infrastructure for lunar operations. It works alongside researchers from NASA's Jet Propulsion Laboratory and NIST on this effort tied to sustained lunar presence programs.

1 investor

Lux Bio develops non-electric, non-toxic lighting products powered by proprietary bioluminescent enzymes, including a water-activated light stick (Lux Light) and a battery-free room-illuminating system (Lux Conduit). Its products are compostable and marketed to commercial, industrial, defense, and consumer users.

1 investor

Lux Capital is a venture capital firm that invests in science and technology startups, backing companies across areas such as defense, autonomous systems, AI, and data infrastructure. It also runs "Riskgaming," a program of strategic scenarios and analyses.

1 investor

Luxium Solutions engineers high-performance crystals and materials, including scintillation materials for ionizing radiation detection, industrial sapphire, optical components, and garnet substrates used in semiconductor epitaxy. It serves photonics, radiation detection, and semiconductor fabrication applications.

1 investor

Luxmet provides real-time measurement and control solutions for metallurgical processes, including electric arc furnaces, ladle furnaces, and high-temperature systems used in steel production.

1 investor

Luxquanta develops continuous-variable Quantum Key Distribution (CV-QKD) technology that generates encryption keys protected by the laws of quantum physics and integrates into existing optical fiber networks. It serves telecom operators, government institutions, critical infrastructure, data centers, hospitals, and financial services that need quantum-safe protection for long-lived sensitive data.

1 investor

Lyceum provides a GPU cloud platform for AI workloads, offering serverless inference APIs, training execution, and infrastructure with intelligent workload orchestration. The company is headquartered in Berlin and serves AI teams and researchers across Europe.

1 investor

Lydus Medical develops surgical devices for anastomosis procedures in microsurgery, combining clinical insight with engineering to make these operations faster and more reliable. The company was founded within Sanara Ventures based on a clinical need identified in the microsurgery operating room.

1 investor