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12 August 2008 Kilowatt-power Er3+ doped cladding fiber amplifier
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Proceedings Volume 7099, Photonics North 2008; 70990Y (2008) https://doi.org/10.1117/12.807127
Event: Photonics North 2008, 2008, Montréal, Canada
Abstract
A novel theoretical scheme for high-power Er3+ doped fiber amplifier assisted with a long period grating (LPG) is presented. This device consists of an Er3+ doped cladding pumped with a high power laser at a wavelength 1480 nm and un-doped core. The LPG imprinted into the fiber core at the beginning of the Er3+ doped region transfers a weak signal entering the amplifier in the core-mode of a single mode fiber into a cladding mode, dramatically increasing the effective mode-area of the signal and the threshold powers for unwanted nonlinear effects such as stimulated Raman and Brillouin scattering. The output fiber with the large core provides a high quality output beam.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Galina Nemova and Raman Kashyap "Kilowatt-power Er3+ doped cladding fiber amplifier", Proc. SPIE 7099, Photonics North 2008, 70990Y (12 August 2008); https://doi.org/10.1117/12.807127
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