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Applied Physics Letters / Volume 96 / Issue 9 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 96, 091107 (2010); http://dx.doi.org/10.1063/1.3313950 (3 pages)

Luminescence-induced photorefractive spatial solitons

E. Fazio1, M. Alonzo1, F. Devaux2, A. Toncelli3, N. Argiolas4, M. Bazzan4, C. Sada4, and M. Chauvet2

1Ultrafast Photonics Laboratory, Dipartimento di Energetica, Sapienza Università di Roma and CNISM, Roma I-00161, Italy
2Département d'Optique, Institut FEMTO-ST, Université de Franche-Comté, Besançon F-25044, France
3Dipartimento di Fisica E. Fermi, Università di Pisa and NEST-CNR, Pisa I-56127, Italy
4Dipartimento di Fisica G.Galilei, Università di Padova and CNISM, Padova I-35122, Italy

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(Received 13 November 2009; accepted 12 January 2010; published online 5 March 2010)

We report the observation of spatial confinement of a pump beam into a photorefractive solitonic channel induced by luminescence [luminescence induced spatial soliton (LISS)]. Trapped beams have been obtained in erbium doped lithium niobate crystals at concentrations as high as 0.7 mol % of erbium. By pumping at 980 nm, erbium ions emit photons at 550 nm by two-step absorption, wavelength which can be absorbed by lithium niobate and originates the photorefractive effect. The luminescence at 550 nm generates at the same time the solitonic channel and the background illumination reaching a steady-state soliton regime.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

erbium, lithium compounds, optical pumping, optical solitons, photoluminescence, photorefractive effect, photorefractive materials

PACS

  • 78.20.Mg

    Photorefractive effects

  • 42.70.Gi

    Light-sensitive materials

  • 42.70.Nq

    Other nonlinear optical materials; photorefractive and semiconductor materials

  • 78.55.Hx

    Other solid inorganic materials

  • 42.65.Tg

    Optical solitons; nonlinear guided waves

  • 42.65.Jx

    Beam trapping, self-focusing and defocusing; self-phase modulation

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3313950

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
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    E. Fazio, F. Renzi, R. Rinaldi, M. Bertolotti, M. Chauvet, W. Ramadan, A. Petris, and V. I. Vlad, Appl. Phys. Lett. 85, 2193 (2004)APPLAB000085000012002193000001.

    M. Mitchell, Z. Chen, M. Shih, and M. Segev, Phys. Rev. Lett. 77, 490 (1996).

    F. Pettazzi, M. Alonzo, M. Centini, A. Petris, V. I. Vlad, M. Chauvet, and E. Fazio, Phys. Rev. A 76, 063818 (2007).

    M. Segev, B. Crosignani, P. DiPorto, G. C. Valley, and A. Yariv, Phys. Rev. Lett. 73, 3211 (1994).


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