![Erbium-doped laser gain media, explained by RP; glasses, Erbium--ytterbium- doped fibers, Er:YAG laser Erbium-doped laser gain media, explained by RP; glasses, Erbium--ytterbium- doped fibers, Er:YAG laser](https://www.rp-photonics.com/img/erbium_levels.png)
Erbium-doped laser gain media, explained by RP; glasses, Erbium--ytterbium- doped fibers, Er:YAG laser
![Photonics | Free Full-Text | Tunable and Switchable Multi-Wavelength Erbium- Doped Fiber Laser Based on Composite Structure Filter Photonics | Free Full-Text | Tunable and Switchable Multi-Wavelength Erbium- Doped Fiber Laser Based on Composite Structure Filter](https://www.mdpi.com/photonics/photonics-09-00768/article_deploy/html/images/photonics-09-00768-g001.png)
Photonics | Free Full-Text | Tunable and Switchable Multi-Wavelength Erbium- Doped Fiber Laser Based on Composite Structure Filter
![A schematic of the Erbium-doped fiber laser. EDF: Erbium-doped fiber.... | Download Scientific Diagram A schematic of the Erbium-doped fiber laser. EDF: Erbium-doped fiber.... | Download Scientific Diagram](https://www.researchgate.net/publication/282558611/figure/fig1/AS:616377656299523@1523967293173/A-schematic-of-the-Erbium-doped-fiber-laser-EDF-Erbium-doped-fiber-SMF-Single-mode.png)
A schematic of the Erbium-doped fiber laser. EDF: Erbium-doped fiber.... | Download Scientific Diagram
![Frontiers | Graphdiyne for Ultrashort Pulse Generation in an Erbium-Doped Hybrid Mode-Locked Fiber Laser Frontiers | Graphdiyne for Ultrashort Pulse Generation in an Erbium-Doped Hybrid Mode-Locked Fiber Laser](https://www.frontiersin.org/files/Articles/487379/fphy-07-00150-HTML/image_m/fphy-07-00150-g002.jpg)