All-optical switching in lithium niobate directional couplers with cascaded nonlinearity

Schiek, R. and Baek, Y. and Krijnen, G. and Stegeman, G.I. and Baumann, I. and Sohler, W. (1996) All-optical switching in lithium niobate directional couplers with cascaded nonlinearity. Optics Letters, 21 (13). pp. 940-942. ISSN 0146-9592

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Abstract:	We report on intensity-dependent switching in lithium niobate directional couplers. Large nonlinear phase shifts that are due to cascading detune the coupling between the coupler branches, which makes all-optical switching possible. Depending on the input intensity, the output could be switched between the cross and the bar coupler branches with a switching ratio of 1:5 and a throughput of 80%.
Item Type:	Article
Copyright:	© 1996 Optical Society of America
Faculty:	Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:	Transducers Science and Technology (TST)
Link to this item:	http://purl.utwente.nl/publications/71739
Official URL:	http://dx.doi.org/10.1364/OL.21.000940
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