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Optics Letters

Optics Letters


  • Vol. 21, Iss. 13 — Jul. 1, 1996
  • pp: 940–942

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

R. Schiek, Y. Baek, G. Krijnen, G. I. Stegeman, I. Baumann, and W. Sohler  »View Author Affiliations

Optics Letters, Vol. 21, Issue 13, pp. 940-942 (1996)

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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%.

© 1996 Optical Society of America

Original Manuscript: December 6, 1995
Published: July 1, 1996

R. Schiek, I. Baumann, W. Sohler, Y. Baek, G. Krijnen, and G. I. Stegeman, "All-optical switching in lithium niobate directional couplers with cascaded nonlinearity," Opt. Lett. 21, 940-942 (1996)

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