PhotonPath, a European integrated photonics company, closed a €5.1 million ($5.9 million) series A funding round. The company plans to use the financing to support the manufacturing of its proprietary silicon photonics chipsets and plug-and-play modules. This funding will also support the expansion of PhotonPath's commercial team to develop markets in Europe and overseas. PhotonPath, a spin-off from Politecnico di Milano, is a developer of integrated photonics technologies targeting applications in telecommunications and real-time infrastructure. Courtesy of PhotonPath. PhotonPath’s technology enables ultra-compact, energy-efficient solutions for real-time optical data acquisition, transmission, and sensing, tailored for high-demand environments such as hyperscale data centers, telecom networks, aerospace systems, and critical infrastructure. The company’s current product lineup includes the nanoOCM optical spectrum analyzer and the Spectre integrated photonics-based fiber optic sensing system. The company intends to scale production capacity through expanded manufacturing partnerships and in-house calibration and quality control, grow its sales force and commercial team to serve datacom and infrastructure sensing markets with a focus on international market presence, and accelerate its product roadmap beyond its current offerings by targeting opportunities in optical networking, industrial monitoring, and smart infrastructure