Mode-locked lasers are advanced lasers that produce very short pulses of light, with durations ranging from femtoseconds to picoseconds. These lasers are widely used to study ultrafast and nonlinear optical phenomena, but they have also proved useful for various technological applications.
Using mode-locked lasers to realize and study non-Hermitian topological physics retrieved 26 March 2024 from https://phys.org/news/2024-03-mode-lasers-hermitian-topological-physics.html
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