Abstract

We experimentally investigate the round-trip-to-round-trip dynamics of the modulation instability spectrum in a passive fiber-ring cavity presenting an inhomogeneous dispersion profile. By implementing a real-time spectroscopy technique, we are able to record successive single-shot spectra, which display the evolution of the system toward a stationary state. We find that the two instability regimes (Turing and Faraday) that compete in this kind of inhomogeneous cavity not only differ by their characteristic frequency but also by their dynamical behavior. The dynamic transition between those two regimes of instability is also presented.

© 2017 Optical Society of America

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Supplementary Material (3)

NameDescription
» Visualization 1: MP4 (260 KB)      Evolution of the power of the Turing mode.
» Visualization 2: MP4 (253 KB)      Evolution of the power of the Faraday mode.
» Visualization 3: MP4 (340 KB)      Evolution of the power of the Turing and Faraday modes during the “Turing-to-Faraday” transition.

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Figures (5)

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Equations (2)

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