A Lyapunov functional in the chi2 dynamics of intracavity frequency-doubled lasers establishes a constant-intensity manifold that suppresses amplitude noise, experimentally confirmed by 100-fold contrast in an Nd:YVO4-LBO system.
Define the instantaneous fundamental intensity entering the crystal, I0(t)≡ |E(t)| 2.(B2) The time average⟨·⟩is taken over one round-trip period T= 2π/Ω
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Amplitude Noise Suppression in Frequency-Doubled Lasers: A Lyapunov Mechanism for Intensity Stabilization in Coupled Oscillator Systems
A Lyapunov functional in the chi2 dynamics of intracavity frequency-doubled lasers establishes a constant-intensity manifold that suppresses amplitude noise, experimentally confirmed by 100-fold contrast in an Nd:YVO4-LBO system.