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Bifurcation and Chaos in Two-Photon Optical Multistability

Investigation of the two-photon optical multistability (tristability and double-bistability) has revealed the existence of the spontaneous oscillation and chaotic motion. By the information obtained from the time-dependent solution, power spectra, Lyapunov exponents and phase trajectory, we proved evidence of the bifurcation structure for tristability, and show the existence of two coexisting at tractors for the double-bistability.