Erbium-doped fiber dual-ring laser system.
Chaos is stabilized in various multi-period states.
(a) phase diagram, (b) mode-locking in ring a, (c) period-3 in ring b.
(a) phase diagram, (b) mode-locking in ring a, (c) mode-locking in ring b.
Moving trajectories from a starting point to three different unmoving points in (a) and their temporal behaviors in (b).
A period-13 state.
Chaos is suppressed into a periodic state via the negative optical feedback. (a) , (b) .
Chaos is brought into a period-doubling state via the optical positive feedback. (a) , (b) .
Chaos is stabilized into a periodic state. (a) , (b) .
Schematic chaos-control system by shifting the phase of the optical feedback light. PC is the phase controller, TC is the delayed time controller, and AT is the attenuator.
The phase-diagrams (left) and temporal behaviors of the ring laser a and b (right) under the condition of shifting the phase of the optical feedback light.
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