Photonic

HÜBNER Photonics - Quantum Computing Company Profile | Quantum Navigator

HÜBNER Photonics

HÜBNER Photonics is a leading manufacturer of lasers and THz systems for quantum technology applications. Headquartered in Kassel, Germany, with manufacturing in Kassel and Stockholm, Sweden, plus offices in USA and UK, the company offers single and multi-line lasers, the tunable C-WAVE laser, and laser combiners for quantum research. HÜBNER expanded its research and production facilities in Kassel specifically to meet growing demand for tunable single-frequency laser sources in quantum technology research and augmented reality holography. Their products serve spectroscopy, bioinstrumentation, metrology, nanophotonics, and quantum technology research. HÜBNER has become a preferred supplier to major quantum research groups and public institutions worldwide.

InnovationQuarter - Quantum Computing Company Profile | Quantum Navigator

InnovationQuarter

InnovationQuarter is the regional development agency for Zuid-Holland province in the Netherlands, founded in 2005 and based in The Hague, investing in innovative companies including quantum technology and quantum security startups. InnovationQuarter participated in Q*Bird’s 2.5 million euro funding round in May 2024, supporting Delft-based quantum key distribution company. The organization provides investment capital, business development support, and ecosystem connections to high-tech startups and scale-ups in Zuid-Holland region, home to quantum technology clusters in Delft, Leiden, and Rotterdam. InnovationQuarter focuses on deep tech including quantum technologies, photonics, life sciences, and cleantech. The organization serves Zuid-Holland quantum ecosystem connecting startups with QuTech research center, TNO, universities, and corporate partners. InnovationQuarter invests in quantum communications, quantum security, quantum sensing, and quantum computing companies commercializing research from Delft University of Technology and Leiden University. The organization contributes to Netherlands quantum technology leadership building innovation infrastructure and supporting growth of quantum startups in one of Europe’s leading quantum technology regions.

Lumenisity - Quantum Computing Company Profile | Quantum Navigator

Lumenisity

Lumenisity is a UK-based photonics company founded in 2017 as spinout from University of Southampton developing hollow core fiber technology for quantum communications and telecommunications. The company CoreSmart hollow core fibers enable ultra-low latency data transmission and enhanced security ideal for quantum key distribution (QKD) networks. Lumenisity was acquired by Microsoft in 2022 to advance hollow core fiber deployment for cloud and quantum networking infrastructure. The company technology reduces signal latency and improves data security compared to traditional solid core optical fibers. Lumenisity serves telecommunications operators, financial services, cloud providers, and quantum communication networks requiring ultra-fast secure data transmission. The company contributes to quantum communications infrastructure development advancing quantum-safe networking and quantum internet infrastructure.

ORCA Computing - Quantum Computing Company Profile | Quantum Navigator

ORCA Computing

ORCA Computing is a University of Oxford spinout founded in 2019 that develops photonic quantum computers using single photons and linear optical quantum computing, creating quantum systems that can operate at room temperature without requiring complex cryogenic cooling, focusing on near-term quantum applications in optimization and machine learning through their cloud-accessible photonic quantum processors, working to demonstrate quantum advantage in practical applications while building partnerships with enterprises and research institutions seeking photonic quantum computing solutions.

Photon Spot - Quantum Computing Company Profile | Quantum Navigator

Photon Spot

Photon Spot is a California-based company specializing in sub-Kelvin cryogenic systems and superconducting nanowire single-photon detectors (SNSPDs) for quantum technology applications. Founded in 2009 and headquartered in Monrovia, California, the company offers detectors with ultralow dark counts, precise timing resolution, and high quantum efficiency, combined with cryogenic systems operating at temperatures below 1 Kelvin. Photon Spot’s products serve quantum communications, quantum computing, quantum sensing, and semiconductor diagnostics applications. The company’s ultra-compact, ultra-low vibration cryogenic systems support time-resolved imaging applications benefiting integrated circuit manufacturers and quantum technology researchers. Primary customers include research institutions, national laboratories, and companies engaged in quantum-related research and development. Backed by investors including the National Science Foundation, Photon Spot represents American innovation in single-photon detection technology critical to photonic quantum computing, quantum key distribution, and quantum metrology applications.

PhotonPath - Quantum Computing Company Profile | Quantum Navigator

PhotonPath

PhotonPath is a pioneer in integrated photonics developing proprietary silicon photonics chipsets and plug-and-play modules for quantum applications. Founded by Douglas Aguiar (CEO) and Emanuele Guglielmi (CTO) during their PhD and Post-Doc research at Politecnico di Milano, the company spun off from the university and was nurtured within PoliHub deep-tech hub. PhotonPath raised €5.1 million Series A in 2025 to scale manufacturing. Their patented technology enables ultra-compact, energy-efficient solutions for quantum communications, sensing, and computing applications. The company operates R&D labs and manufacturing facilities in Milan and Trento, with applications extending to hyperscale data centers, telecom networks, and aerospace systems.

PsiQuantum - Photonic Quantum Company Profile | Quantum Navigator

PsiQuantum

In September 2025, PsiQuantum announced the closing of a $1 billion Series E funding round, valuing the company at $7 billion and enabling construction of utility-scale quantum sites in Brisbane, Australia, and Chicago, United States. The round was led by affiliates of BlackRock and backed by Temasek, Baillie Gifford, Macquarie Capital, Ribbit Capital, NVentures, Adage Capital Management, the Qatar Investment Authority, Type One Ventures, Counterpoint Global, 1789 Capital and S Ventures. The company secured significant funding from the Australian and Queensland governments in 2024 to build the world’s first utility-scale, fault-tolerant quantum computer in Brisbane with target completion by the end of 2027. In February 2025, DARPA selected PsiQuantum to advance to the final phase of its Utility-Scale Quantum Computing Program. On April 15, 2025, PsiQuantum secured a $10.8 million contract with the Air Force Research Laboratory (AFRL). The company is now breaking ground on major facilities in both Chicago and Brisbane, building million-qubit scale fault-tolerant quantum computers using high-volume manufacturing of integrated photonic chips and 300 mm wafers produced at GlobalFoundries Fab 8 in New York.

Quantum Machines - Quantum Computing Company Profile | Quantum Navigator

Quantum Machines

In 2024-2025, Quantum Machines is hosting the AQC25 (Adaptive Quantum Circuits Conference) taking place November 12-14, 2025, in Boston, bringing together global experts from MIT, Yale, USC, Google Quantum AI, and Amazon Braket to advance adaptive quantum methods and define the future of scalable quantum computing applications. A Novera QPU has been co-located at the Israeli Quantum Computing Center (IQCC) with Quantum Machines’ OPX1000 control system and NVIDIA’s Grace-Hopper superchip servers. This setup was leveraged for a reinforcement learning project presented at IEEE Quantum Week 2024 in September, demonstrating the optimization of single qubit operations on the Novera QPU for quantum machine learning development. Quantum Machines continues to collaborate with tech firms such as Classiq to develop hybrid quantum-classical computing systems aimed at tackling challenging computational problems, with control systems scaling to support large numbers of qubits needed for error correction.

SDT - Quantum Computing Company Profile | Quantum Navigator

SDT

SDT Inc. (Quantum Standard Technology) is a South Korean quantum technology company founded in 2017 with headquarters in Seoul, pioneering quantum computing, quantum cloud, quantum communication, and quantum sensing commercialization. Founded by CEO Jiwon Yune, who studied physics and electronic engineering at MIT and worked as a researcher at MIT-Harvard University Research Center and KIST Quantum Information Research Center, SDT is leading development of South Korea’s first full-stack quantum computer. In August 2024, SDT secured 10 billion KRW (approximately $7.5 million USD) in Pre-IPO investment from Shinhan Venture Investment to commercialize quantum computers, with milestones to develop a 64-qubit superconducting quantum computer by 2026 and photonic integrated circuit quantum computers by 2027. SDT is jointly developing quantum processing units based on silicon spin and diamond nitrogen-vacancy quantum technologies with Seoul National University and the Korea Institute of Science and Technology. The company is advancing South Korea’s National Strategy for Quantum Technology and building the domestic quantum ecosystem.

Technical University of Denmark - Quantum Computing Company Profile | Quantum Navigator

Technical University of Denmark

Technical University of Denmark (DTU) is a public technical university founded in 1829, located in Kongens Lyngby, Denmark. DTU conducts quantum research advancing quantum photonics quantum communications and quantum technologies. The university Center for Silicon Photonics advances integrated quantum photonics development. DTU researchers contribute to quantum hardware quantum networks and quantum applications. The university collaborates with Danish and European quantum companies advancing quantum technology commercialization. DTU serves quantum research community through quantum research quantum education and technology transfer supporting Danish quantum technology ecosystem and Nordic quantum innovation.

TuringQ - Quantum Computing Company Profile | Quantum Navigator

TuringQ

TuringQ is China’s first optical quantum computing company established in 2021 by Professor Jin Xianmin from Shanghai Jiaotong University, specializing in photonic quantum processors using lithium niobate on insulator (LNOI) photonic chips and femtosecond laser direct writing technology, with products including the TuringQ Gen 1 fully integrated optical quantum computer and FeynmanPAQS quantum simulation software, having completed 500 million yuan ($79 million) in funding and established China’s first photonic chip pilot line in Wuxi for applications in financial technology, biomedicine, and artificial intelligence.

Xanadu - Photonic Quantum Computing Company Profile | Quantum Navigator

Xanadu

In early 2025, Xanadu demonstrated Aurora, a significant advancement in photonic quantum computing featuring a modular and networked architecture that combines 35 photonic chips networked together via 13 kilometers of fiber optics to perform all essential functions for comprehensive quantum computing. In May 2025, Xanadu partnered with Applied Materials to develop high-volume fabrication processes for superconducting transition edge sensors, with teams planning to demonstrate a 300 mm platform by the end of 2025 to advance photonic quantum computing toward utility-scale applications. In March 2025, Xanadu and Corning partnered to develop low-loss optical fibre interconnects for photonic quantum computing chips, aiming to scale fault-tolerant quantum computers towards one million qubits. In June 2025, Xanadu opened a $10 million advanced photonic packaging facility in Toronto, Canada, to manufacture components for fault-tolerant quantum computers, addressing a critical gap in the Canadian quantum supply chain. In August 2025, Xanadu and HyperLight demonstrated waveguide losses below 2 dB/m in thin-film lithium niobate (TFLN) photonic chips.