Buying Rare-earth-doped Fibers
Rare-earth-doped fibers are optical fibers doped with laser-active ions like ytterbium (Yb), neodymium (Nd), erbium (Er), praseodymium (Pr), and thulium (Tm). They are primarily used in fiber lasers and amplifiers, providing efficient light amplification.
Making Good Purchase Decisions
As the most professional photonics purchasing portal, RP Photonics helps you to not only to find all relevant suppliers (not limited to our advertisers), but also to make good purchasing decisions.
NEW: Structured Decision Process
Purchasing involves a lot of responsibility. We recommend that you apply best practice by using the following structured process: Go through the following expandable sections, complete the form and finally come to a purchase decision. You can then print that to a PDF for documenting the process.
Our article on best practices for purchasing and another one explaining this tool give you valuable insights.
Suppliers for Rare-earth-doped Fibers
21 suppliers for rare-earth-doped fibers are listed in the RP Photonics Buyer's Guide, out of which 4 present their product descriptions. Both manufacturers and distributors can be registered.
Suppliers with Advertising Package
presenting their product descriptions
![]() Leader in fluoride glass and optical fiber technology Le Verre FluoréRue Gabriel Voisin Campus de Ker Lann 35170 Bruz, Brittany France | ![]() Thanks to their high rare-earth solubility (up to 100,000 ppm) and low phonon energy, LVF fluoride fibers offer dozens of active transitions, enabling a broad range of applications from visible to the mid-infrared. LVF offers the largest range of rare-earth doped fibers in the world. LVF active fibers are available as rare-earth-doped single-mode fibers and rare-earth-doped double cladding fibers. Product-specific web page |
![]() 34, Rue de la Croix de Fer 78100 Saint Germain-en-Laye France See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth B2.341)! | ![]() Exail (formerly iXblue) offers a wide range of specialty optical fibers for lasers and amplifiers. We master erbium, erbium/ytterbium, ytterbium, thulium, holmium, thulium/holmium, neodymium, dysprosium, and phosphorous gain media. PM version are available, and Large Mode Area (LMA) or Very Large Mode Area (VLMA) versions as well. Depending of the requirement, single clad fibers are available for core pumping, double clad fibers for clad pumping. Triple clad and all glass structures are also available. Product-specific web page |
![]() Solutions for Innovators NKT PhotonicsBregnerødvej 144 3460 Birkerød Denmark See us at OFC 2025 in San Francisco, April 1–3 (booth 5010) and LASER World of Photonics 2025 in Munich, June 24–27 (booth B2.219)! | ![]() Our ytterbium and thulium double clad fibers offer the largest single-mode cores in the world. They enable amplification to unprecedented power levels while keeping mode quality and stability. If you are building picosecond or femtosecond ultrafast fiber lasers, our Yb-doped aeroGAIN gain modules may be just what you are looking for. Product-specific web page |
![]() Innovation in every fiber Fibercore LimitedUniversity Parkway Chilworth Science Park Southampton SO16 7QQ United Kingdom | ![]() Fibercore's portfolio of erbium-doped fiber, PM erbium fiber, dual-clad erbium/ytterbium-doped fiber, triple-clad doped fiber and other doped fibers offers ideal suitability for high-power erbium-doped fiber amplifiers (EDFAs) and fiber lasers. Product-specific web page |
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Other Suppliers
3W Photonics United States |
Coherent Corp. United States |
CorActive High-Tech Inc. Canada |
CYBEL, LLC United States |
Elliot Scientific Ltd. United Kingdom |
FiberLabs Inc. Japan |
Furukawa Electric Japan |
GEHT International Ltd Hong Kong |
heracle GmbH Germany |
INO Canada |
nLight Photonics Corporation Canada |
OBS FIBER France |
OFS Global Headquarters United States |
Prysmian Group Italy |
Raybium AB Sweden |
Sintec Optronics Pte Ltd (HQ) Singapore |
Yangtze Optical Electronics Co., Ltd China |