All-optical integrated Mach-Zehnder switching due to cascaded nonlinearities


Baek, Y. and Schiek, R. and Stegeman, G.I. and Krijnen, G.J.M. and Baumann, I. and Sohler, W. (1996) All-optical integrated Mach-Zehnder switching due to cascaded nonlinearities. Applied Physics Letters, 68 (15). pp. 2055-2057. ISSN 0003-6951

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Abstract:This paper reports all optical switching in a fully integrated Mach-Zehnder interferometer due to the cascaded second order nonlinearities with a switching ratio of 8:1. Along with the lithium niobate directional coupler, these represent the first integrated all-optical switching devices using cascaded second order nonlinearities. By using a higher X2 material and/or quasiphase-matching techniques independently for each channel, the switching power can be reduced by orders of magnitude.
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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