✔ 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐬: Optical FibersLVF is the world leading manufacturer of fluoride glass and germanate glass fibers. Its product portfolio offers a broad range of solutions for applications ranging from UV to mid-IR spectrum : rare earth-doped and undoped single mode and multimode fibers, Er-YAG and Er/Cr-YSSG laser delivery fibers, UV-Vis fluorescent solid-state dyes, patch cables, bundles, probes, hermetic feedthroughs, flow cells, fiber components, fiber modules.In particular, LVF is the undisputed leader for fibers operating in the midinfrared 2-5µm band.The company generates 90% of its sales abroad (Asia, North America, Europe).Markets: medical, industry, ecology, communications, astronomy, researchhttps://www.leverrefluore.com➤ 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐚𝐧𝐝 𝐬𝐚𝐥𝐞𝐬 ● Sales (portfolio of > 800 customers)● Market analysis and prospection● New distributor partnerships (Germany, South Korea, Israel, USA, China)● Marketing (product datasheets, catalogs, visuals for exhibitions, organization of exhibitions (Photonics West, Laser World of Photonics)● Marketplaces implementation (RP Photonics, Meetoptics)➤𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐦𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 (administration, finance, technology) PIA4 SIMBADE project - Solutions Innovantes pour réseaux optiques Multi Bandes Amplifiés à fibre dopéeE, Partners: Ekinops, Orange, Le Verre Fluoré, IDIL, Photonics Bretagne et PhLAMProducts developed by LVF: PDFA for O-Band and TDFA for S-band This project has led to the development of new fibers that are now commercially available and has opened discussions with a key player in the telecommunications market (a potential market worth several million euros for the company). A new market for LVF!➤ 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐭𝐲 𝐦𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭web site, social networks (growth of LinkedIn followers in 3 years: > 400%)

✔𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐬: Optical FibersSelenOptics was the spin off from Photonics Bretagne and the Glasses and Ceramics group of the University of Rennes 1, and was part of the Le Verre Fluoré | Leukos| SelenOptics ecosystem.The only company that manufactured PCF chalcogenide fibers in the world !Cessation of activity in 2023.SelenOptics Products include:* (1.5) 2 µm to 10 µm Wide Bandwidth Single Mode Chalcogenide Fibers* Highly Nonlinear SM-MM GeAsSe and AeSe Chalcogenide Fibers* PM Fibers Chalcogenide Fibers* Suspended Core “Grape-Fruit” AsSe Chalcogenide Fibers* Fabrication of Fiber Devices: Taper & Connectorized Chalcogenide Fiber PigtailsApplications:- Mid-IR Supercontinuum Generation - Quantum Cascade Laser and Interband Cascade Laser beam delivery - Other nonlinear applications: Brillouin Fiber Laser, Wavelength ConversionMarkets: industry, ecology➤ Business development ➤ Definition of company investments and expenses

✔ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: PhotoniquePhotonics Innovation Hub integrating a cluster supporting innovation and working for the development of photonics and its applications in Brittany, and a RTO expert in the production of special optical fibers, components and biophotonics.The cluster particularly supports innovation, industrial and technological development of its members (companies, research centers, schools, support agencies), aiming to generate economic growth and create jobs in photonics, and indirectly, in the various subcontractors. It promotes the integration and the use of photonics technologies in Brittany industrial end-users. The RTO develops, provides and sells custom specialty optical fibers and components (products brand PERFOS) . It also offers services such as scientific studies, technology transfer and consulting in photonics.● Development and organization of the various cluster networks; + 137% members growth rate in 6 years (116 members in November 2020)● Facilitation of the economic development of the cluster business members● Photonics SME and start-up business and innovation support ● Fostering of industrial partnerships and collaborative projects, particularly between and across a variety of economic sectors● Sourcing photonic technologies and products for all Brittany industries● Technological intelligence activity● Publication of monthly watch newsletters (circulation to cluster members); topics: biotechnology, defense & security, industry & energy, patents, Mid-IR, COVID-19 special; 50+ letters per year (more than 250 letters published between 2014 and 2020)● Custom market studies for BtoB or BtoC photonic innovations and products ● Photonics events and workshops organization and animation● In charge of the Photonics Technological Area within the merged digital competitiveness clusters Images & Réseaux and TES● Development of various courses on Business in Photonics for engineers (INSA, ENSSAT)

✔ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲: Sensors Start-up project (suspended)● Follow-up of Ideoptics developments for “on the fly” and fast laser marking and engraving of « dotmatrix » traceability codes and laser micro-perforation of thin films and packagings● Development of new concepts for wireless communicating low power consumption sensors applications● Technology watch; Market research● Business intelligence

✔ 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐬 : Laser scanheads- Multi-Dot-ScanTM high-speed laser scanhead; elected “best photonic innovation” by the professional visitors at OPTO 2011; 3 patents;- proprietary 2D traceability codes and reader (co- development with sylde.net, http://cv.sylde.net/fr/)Young Innovative SME created in 2010 and liquidated in July 2012 due to lack of access to finance, in order to pursue the industrialization of the technology (assets were sold to the Gravotech Group early 2013) ● Project initiator and leader within Emergys, Brittany regional business incubator (2010 to 2012) ● Co-inventor of the Multi-Dot-ScanTM scanning technology (3 patents) ● Operational Management (financial accounting and administrative management) ● Business Development (targeted customers: German big players in laser material processing) ● Business Financing ● Management charts, business plans, prospective budgets, monitoring and control; P&L responsability ● Technical Management (mechanics, electronics, optics, embedded software and laser engineering) ● Implementation of Lean developments and Agile methods ● Development and management of the technological roadmaps ● Suppliers management (Europe, Canada) ● Management of preliminary collaborative development projects with German and Swiss companies in the area of high speed laser material processing applications ● Management of the IP; Technology maturation and Patent writing ● Technology and competition watch; Market research ● Marketing and Sales Management ● Company branding (logos, trademarks, visual identity) ● Writing of Marketing and Sales documentation, Press release (trade fairs, media), Executive Summaries ● Organization of trade fairs (OPTO, Laser World of Photonics) and commercial prospecting (Europe) ● Built a strong expertise in scan head technology and laser material processing technologies

✔ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲: Laser video projector Young Innovative SME created in 2005 and liquidated in October 2009● Management of a multidisciplinary team (mechanics, electronics, optics, laser engineering and software)● Scientific and technical monitoring of R&D programs as well as supervising new products developments.● Management of a collaborative project with CEA [http://www.cea.fr/] (development of a LIBS scanner)● Development of OEM components (with the aim to put them rapidly to the market, rather than putting more money in costly and less mature integrated systems)● Development and management of the technological roadmaps● Writing of activity and progress reports within Futurim@ge project framework (pôle Images & Réseaux)● Submission of projects in response to call for proposals from French ANR and RAPID financing system ● Market analysis; Intellectual Property watch● Writing of Marketing and Sales documentation, Press release (trade fairs), Executive Summaries● Seek of industrial and sales partnerships as well as private investors● Undertaken steps to gather investors to resume the company activity after its liquidation (Sept. to Nov. 2009)

✔𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐬: microarray instruments and consumables for life science and molecular diagnosticsInnovative SME, created in 2001, now part of HologicIndustrialization and Production Activity● Research, audit, validation and control of the suppliers panel (Europe, USA) - mechanics, electronics, plastics processing, design, microscope slides, surface chemistry, thin-film coating, integrators● Negotiation and control of industrialization and production costs, delays, quality, continuous improvements and correctives actions● Internal and external planning of the (small and medium) production ● Quality Control of products: set up and realization of means of controls and instrumentations for the qualification, certification and manufacturing control of products● Implementation of microarray substrates production facility (clean room)● Product traceability, supply-chain and inventory management, logistic● Set-up and administration of the ERP system● Regulation of products; EMC, safety and laser standards; optical glass specifications; medical electric equipment safety requirements● Direct purchasing for prototypes and pre-production series manufacturing and supervision of integrators supply chain● Writing, in both French and English, of all technical documents related to products (design, definition, qualification, certification, industrialization, manufacturing, quality control,...; instruction handbooks, user manuals, operating instructions and technical instructions)● Recruitment of the production staff● Training of engineering and technicians apprenticesQuality Assurance Activity● Set-up of quality assurance plans for R&D/industrialization/production programs in the context of ISO 9000- 2001 certificationR&D Activity● Development of dielectric and metallic mirrors on glass and silicon surfaces , as well as surface chemistry (silanization) on dielectric and metallic surfaces (amplifying microarrays manufacturing process)

✔ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲: LasersOne of the world’s leading institutes for photonics research http://www.orc.soton.ac.uk● Developed laser sources for spectroscopy applications (public and military contracts)● Responsible for the spectroscopy and materials characterization laboratory (visible, IR and mid-IR spectra)● VIS-IR spectroscopy of rear-earth ions in LaF3, Ga:La:S materials● Characterization of Ga:La:S fibers for sensor applications● Developed a large bandwidth IR spectroscopy, HPVee controlled instrument● Developed and mastered following laser technologies: waveguide lasers, high power fiber lasers using passively Q-switches and OPOs● Mastered spectroscopy techniques such as Judd-Ofelt analysis, lifetimes and gain measurements; developed Mathcad libraries dedicated to the calculations of these parameters● Supervision of PhD students

✔ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲: LasersManufacturer of laser crystals and nonlinear optical crystals, now a division of EOT● Initiated and led a research and development program on CW and passively Q-switched compact solid-state lasers emitting in the infrared, visible and UV spectrum (Marie-Curie Research Funding)● First designed and developed efficient 946 nm Q-switched Nd:YAG/Cr:YAG microchip lasers using a Monolithic Crystal Assembly (MCA) ● First designed and developed 236.5 nm compact pulsed laser source from a passively Q-switched 473 nm microchip laser (SHG via a BBO crystal) (application: detection of real diamonds from fake diamonds)● Collaborated with other optoelectronic organizations, designing and developing new diode-pumped compact solid-state lasers for material processing (plastic marking of traceability codes), and instrumentation (spectroscopy in agronomy and diamond industry)● Set up and realized means of controls and instrumentations for quality control tests (optical characterization) of produced laser and non- linear crystals sold to laser manufacturers and research institutions● Manufactured Monolithic Crystal Assemblies using optical contact techniques● Commercial activity (participation in trade fairs such as Laser World in Photonics, Munich)● Started to built a business project in the field of compact diode-pumped solid stated lasers for biomedical instrumentation, metrology and physical analysis (January 2000 to May 2000)

✔ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲: Lasershttp://www.engineering.pitt.edu/● Performed an experimental study on laser diode-pumped Er-Yb glass laser range finders for Contraves Brashear Systems LP (today L-3, http://www2.l3t.com/brashear/), Pittsburgh, PA, U.S.A. (work funded by the National Network for Electro-Optics Manufacturing Technology (NNEOMT), an American defense program) ● Evaluated performances of porro-prism, BBO electro-optic and U:CaF2 passive Q-switches, and optimized the detection system, allowing the company to reduce manufacturing costs of their laser range finders and to choose the Q-switch technology of the next lasers generation ● Advised the company on new technologies for compact high repetition rate, high average power, eye-safe laser using diode-pumped crystals ● First demonstrated BBO electro-optical Q-switching of a diode-pumped Er-Yb glass laser with a voltage reduction by a factor of five to eight below the full hold-off voltage with comparable output performances, and explained this behavior as the seeding of the Q-switched laser pulse by low-level long-mode lasing

✔ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: Lasers, Fiber Optics, Opticshttp://www.enssat.fr● Developed and completed an experimental study on the optimization of blue/green CW Nd:YAG/KNbO3 microchip lasers in collaboration with F.E.E. GmbH, Germany (http://www.fee-io.de/)● Advised F.E.E. GmbH on the manufacturing of a demonstration CW blue fiber coupled diode-pumped microchip laser prototype● Developed a training course on Fiber Optics Communications for Electronics and Computer engineers● Organized and taught lectures in Optics and Physics for Optronics engineers

✔ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲: Lasershttp://foton.cnrs.fr/v2012/● Initiated and performed theoretical and experimental research on diode-pumped solid-state microchip lasers● First demonstrated bipolarization and multi-wavelength operation in a diode pumped Nd:YVO4 microchip laser● Developed theoretical calculations on transverse mode formation and pump size optimization in microchip lasers● First demonstrated that pump saturation effects have to be taken into account in the optimization of the output power in microchip lasers● First demonstrated polarization switching of a diode-pumped Er-Yb glass microchip laser submitted to a polarized optical feedback (work funded by France Telecom, France)● Completed a study on polarization dynamics in erbium-doped fiber lasers

✔ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲: Optronicshttp://www.enssat.fr● Taught lectures in Wave Propagation in Guiding Media for Optronics engineers● Organized and taught Optics-related Experiments for Optronics engineers

✔ 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐬: Optical Fibers● Assisted the technical team responsible of fiber products manufacturing● Completed an experimental study on the optimization of optical coupling between semiconductor lasers and pigtailed fibers used in terrestrial and submarine long distance networks● Built microlenses on fibers and built thin-film anti-reflection coatings on these microlenses (PVD process)