Nonlinear directional coupler based on Rb:KTP-waveguides
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- Buritskii, K.S., Dianov, E.M., Maslov, V.A. et al. Appl. Phys. B (1992) 54: 167. doi:10.1007/BF00331889
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We propose the use of KTP-based waveguides for all-optical switching. The passing of subnanosecond light pulses through the Rb:KTP nonlinear directional coupler is investigated. The nonlinear switching of 40% of light power from the one channel to another is observed at 5 kW input power.