Johansen, Mette Marie1; Hansen, Kristian Rymann1; Alkeskjold, Thomas T.3; Lægsgaard, Jesper1
1 Department of Photonics Engineering, Technical University of Denmark2 Fiber Optics, Devices and Non-linear Effects, Department of Photonics Engineering, Technical University of Denmark3 NKT Photonics A/S
Thermally induced nonlinear mode coupling leads to transverse mode instability (TMI) in high power fiber amplifiers. A numerical model including altering mode profiles from thermal effects and waveguide perturbations predicts a TMI threshold of ~200W.
Nonlinear Optics Technical Digest, 2013
Fiber optics communications; Fiber optics links and subsystems