Multimode Mamyshev Oscillator

Abstract

We present a spatiotemporally mode-locked Mamyshev oscillator. A wide variety of multimode mode-locked states, with varying degrees of spatiotemporal coupling, are observed. We find that some control of the modal content of the output beam is possible through the cavity design. Comparison of simulations to experiments indicates that spatiotemporal mode-locking is enabled by nonlinear intermodal interactions and spatial filtering, along with the Mamyshev mechanism. This work represents a first exploration of spatiotemporal mode-locking in an oscillator with the Mamyshev saturable absorber.

arXiv comment4 pages, 6 figures

References in corpus (7)

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• Mechanisms of Spatiotemporal Mode-Locking
• Spatiotemporal self-similar fiber laser
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• Spectral Shaping in a Multimode Fiber by All-fiber Modulation
• Coupling to multi-mode waveguides with space-time shaped free-space pulses
• Tutorial: How to build and control an all-fiber wavefront modulator using mechanical perturbations