SPATIAL SOLITAIRE WAVE IN BIASED PHOTOVOLTAIC-PHOTOREFRACTIVE CRYSTALS
Author(s) -
Liu Jin-song,
Keqing Lu
Publication year - 1998
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.47.1509
Subject(s) - photorefractive effect , degenerate energy levels , physics , field (mathematics) , photovoltaic system , photovoltaic effect , condensed matter physics , optics , quantum mechanics , ecology , mathematics , pure mathematics , biology
Steady-state dark (bright)spatial solitons are predicted for biased photovoltaic photorefractive materials,which are due to the photovoltaic effect and spatially nonuniform screening of the external bias field. These solitons differ from previously observed steady-state photorefractive spatial solitons in their properties and physical origin.If the applied field is strong enough, these solitons are just like the screening solitons. If the applied field is absent, these solitons degenerate into the photovoltaic solitons under the close-circuit condition.
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