All-optical switching in a high-Q Fabry–Perot cavity filled with a quadratic material
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Date
2000
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Citation of Original Publication
D’Aguanno, G.; et al.; All-optical switching in a high-Q Fabry–Perot cavity filled with a quadratic material; Journal of the Optical Society of America B Vol. 17, Issue 7, pp. 1188-1196 (2000); https://www.osapublishing.org/josab/abstract.cfm?uri=josab-17-7-1188
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This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
Public Domain Mark 1.0
This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
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Abstract
A theoretical analysis of the nonlinear quadratic interaction between two monochromatic plane waves at frequencies ω and 2ω in a Fabry–Perot cavity shows that all-optical control of reflectivity and transmissivity of the fundamental beam is possible under suitable conditions. We report all-optical switching of the fundamental beam for cavity lengths that vary from a few micrometers to a few millimeters. Specifically, we show that 100% all-optical switching can occur for a 6-µm cavity when the nonlinear coefficient is not greater than 20 pm/V and the input intensity does not exceed 10 GW/cm². Our analytical results are obtained without use of the slowly varying envelope approximation and without resort to the undepleted-pump approximation.