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Advanced filters: Author: Kabish Wisal Clear advanced filters

Output control of dissipative nonlinear multimode amplifiers using spacetime symmetry mapping

In many optical systems with time-reversal symmetry, it is possible to control the output waves by shaping the input fields. Now a scheme is presented that works for multimode fibres that lack time-reversal symmetry due to thermal effects.

Chun-Wei Chen
Kabish Wisal
Hui Cao
Research01 Apr 2025
Nature Physics

Volume: 21, P: 839-845
Mitigating stimulated Brillouin scattering in multimode fibers with focused output via wavefront shaping

The authors demonstrate a high-power delivery through a highly multimode optical fiber by shaping the incident wavefront of a laser beam to strongly suppress the stimulated Brillouin scattering in the fiber and simultaneously control the output beam profile.

Chun-Wei Chen
Linh V. Nguyen
Hui Cao
ResearchOpen Access13 Nov 2023
Nature Communications

Volume: 14, P: 1-9

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Output control of dissipative nonlinear multimode amplifiers using spacetime symmetry mapping

Mitigating stimulated Brillouin scattering in multimode fibers with focused output via wavefront shaping

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