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Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)

All Optical Switching As A Result Of Cascaded Second-order Nonlinearities In BBO Controlled By Intensity With Randomized Phase

Yoon Chan Jeong, Byoungho Lee

Published Jan 1, 1997• 0 citations
Publisher
DOI
10.1109/cleopr.1997.610609

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Both static and dynamical analyses of quasi-phase-matched second-harmonic generation by backward propagating interaction, where the second-harmonic wave is generated in reflection, are presented. It is shown that bistability appears in the generated second-harmonic power if the amount of phase mismatch is suitably chosen. The bistability also appears in the output fundamental wave, since the cascaded second-order nonlinear process gives rise to the effective self-modulation of the fundamental wave, which can be applied to all-optical signal processing. The output second-harmonic and fundamental powers can be switched between two bistable states by controlling the intensity or phase of the input fundamental wave.>