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Reconfigurable generation of high-power structured light via nonlinear beam shaping
KyeoReh Lee, Baichuan Huang, Peyman Ahmadi +4
High-power structured light has a wide range of applications, from material processing and high-capacity optical communications to programmable electron beams, plasmas, and nuclear…
Wavefront shaping enables high-power multimode fiber amplifier with output control
Stefan Rothe, Chun-Wei CHen, Peyman Ahmadi +6
Over the past two decades there have been tremendous advances in high-power fiber lasers, which have provided a powerful tool for science, engineering and defense. A major roadbloc…
Output beam shaping of a multimode fiber amplifier
Stefan Rothe, Kabish Wisal, Chun-Wei Chen +4
Multimode fibers provide a promising platform for realizing high-power laser amplifiers with suppressed nonlinearities and instabilities. The potential degradation of optical beam…
Theory of Transverse Mode Instability in Fiber Amplifiers with Multimode Excitations
Kabish Wisal, Chun-Wei Chen, Hui Cao +1
Transverse Mode Instability (TMI) which results from dynamic nonlinear thermo-optical scattering is the primary limitation to power scaling in high-power fiber lasers and amplifier…
Optimal input excitations for suppressing nonlinear instabilities in multimode fibers
Kabish Wisal, Chun-Wei Chen, Zeyu Kuang +3
Wavefront shaping has become a powerful tool for manipulating light propagation in various complex media undergoing linear scattering. Controlling nonlinear optical interactions wi…