Photonics Bretagne is a Photonics innovation hub integrating a cluster supporting innovation in the field of Photonics and its applications in Brittany, and Perfos, a RTO expert in the development of specialty optical fibers (PCF fibers) and components. The cluster supports innovation and industrial and technological development of its members (companies, research centers and schools) in order to generate economic growth and create jobs in Photonics, in Brittany. The cluster gathers more than 100 members today [https://www.photonics-bretagne.com/cluster-annuaire-des-membres/]. Perfos, the research and technology organisation of Photonics Bretagne develops, provides and sells custom specialty optical fibers and optical components. It also offers services such as scientific studies, technology transfer and consulting in Photonics.