TOPTICA Photonics SE

TOPTICA Photonics SE is a manufacturer of laser systems. Its website says the company develops and manufactures high-end laser systems for science and industry, including narrow-linewidth lasers, femtosecond lasers, and lasers for semiconductor inspection and industrial metrology.

The company explicitly positions part of its portfolio for quantum technologies. On its homepage, TOPTICA says its ultra-stable clock laser systems are used in “quantum 2.0 applications,” with linewidth below 1 Hz through frequency stabilization for narrow atomic transitions in quantum computing. The same page also refers to scaling quantum computing and increasing qubit counts, which supports classifying the company as a quantum-enabling photonics supplier rather than a quantum-computing developer.