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

Risultato della ricerca: Article

Abstract

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
RivistaDefault journal
Volume6
Stato di pubblicazionePublished - 2004

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solitary waves
waveguides
color
self focusing
lithium niobates
coupled modes
trapping
nonlinearity
tensors
protons
room temperature
geometry
diffraction

All Science Journal Classification (ASJC) codes

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

Cita questo

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

Bi-color spatial solitons in linearly uncoupled planar waveguides. / Cino, Alfonso Carmelo; Cino, Alfonso C.; Di Falco, Andrea; Colace, Lorenzo; Assanto, Gaetano; Amoroso, Antonio; Leo, Giuseppe; Amoroso, Antonio.

In: Default journal, Vol. 6, 2004, pag. S217-S222.

Risultato della ricerca: Article

Cino, AC, Cino, AC, Di Falco, A, Colace, L, Assanto, G, Amoroso, A, Leo, G & Amoroso, A 2004, 'Bi-color spatial solitons in linearly uncoupled planar waveguides', Default journal, vol. 6, pagg. S217-S222.
Cino AC, Cino AC, Di Falco A, Colace L, Assanto G, Amoroso A e altri. Bi-color spatial solitons in linearly uncoupled planar waveguides. Default journal. 2004;6:S217-S222.
Cino, Alfonso Carmelo ; Cino, Alfonso C. ; Di Falco, Andrea ; Colace, Lorenzo ; Assanto, Gaetano ; Amoroso, Antonio ; Leo, Giuseppe ; Amoroso, Antonio. / Bi-color spatial solitons in linearly uncoupled planar waveguides. In: Default journal. 2004 ; Vol. 6. pagg. S217-S222.
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AU - Di Falco, Andrea

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AU - Assanto, Gaetano

AU - Amoroso, Antonio

AU - Leo, Giuseppe

AU - Amoroso, Antonio

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AB - 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.

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