Bi-color spatial solitons in linearly uncoupled planar waveguides

Alfonso Carmelo Cino, Alfonso C. Cino, Andrea Di Falco, Lorenzo Colace, Gaetano Assanto, Antonio Amoroso, Giuseppe Leo, Antonio Amoroso

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We report on the observation of spatial optical simultons in a novel geometry consisting of two partially overlapped, linearly uncoupled planarwaveguides in lithium niobate obtained by reverse proton exchange. Two orthogonally polarized modes are coupled through an off-diagonal tensor element of the quadratic nonlinearity, giving rise to second harmonicgeneration and mutual trapping via cascading. This phenomenon demonstrates a balance between diffraction and self-focusing for two orthogonal modes of different waveguides, and occurs at room temperature in longitudinally uniform waveguides.
Lingua originaleEnglish
pagine (da-a)S217-S222
Stato di pubblicazionePublished - 2004

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Physics and Astronomy (miscellaneous)

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    Cino, A. C., Cino, A. C., Di Falco, A., Colace, L., Assanto, G., Amoroso, A., Leo, G., & Amoroso, A. (2004). Bi-color spatial solitons in linearly uncoupled planar waveguides. JOURNAL OF OPTICS, 6, S217-S222.