SAMOP 2023 – wissenschaftliches Programm

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SYAS: Awards Symposium

SYAS 1: Award Symposium

SYAS 1.4: Preisträgervortrag

Dienstag, 7. März 2023, 16:05–16:35, E415

All-optical Nonlinear Noise Suppression in Mode-locked Lasers and Ultrafast Fiber Amplifiers — •Marvin Edelmann — Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany — Department of Physics, Universität Hamburg, Jungiusstr. 9, 20355 Hamburg, Germany — Laureate of the Georg-Simon-Ohm-Prize 2023

Optical pulse trains with ultra-low intensity noise are highly desirable for a variety of cutting-edge scientific and industrial applications including nonlinear microscopy, frequency-metrology, and photonic microwave generation.

In this work, new investigations regarding all-optical noise suppressing mechanisms in state-of-the-art Kerr-type fiber oscillators and amplifiers are presented. The highly efficient noise-transfer dynamics resulting from the nonlinear interaction of input intensity fluctuations with artificial transmission-functions enable the construction of versatile ultrafast laser systems with quantum-limited noise performance and ultra-stable laser working points.

The underlaying mechanism is further generalized to show that self-amplitude modulation with saturable absorbers, the physical effect fundamentally enabling the generation of ultrashort laser pulses via mode-locked steady-states, inevitably results in strong intra-pulse intensity noise shaping. Resulting intra-pulse noise distributions of an ultrafast laser system are utilized to demonstrate shot-noise limited intensity noise suppression via tailored optical filtering.

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