MALAKHO, Artem; FARGIN, Evelyne; DELESTRE, Aurélien; ANDRÉ, Clément; CARDINAL, Thierry; LAHAYE, Michel; RODRIGUEZ, Vincent; COUZI, Michel; ADAMIETZ, Frédéric; CANIONI, Lionel; ROYON, Arnaud

doi:10.1063/1.2973156

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MALAKHO, Artem
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Department of Material Science

FARGIN, Evelyne
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

DELESTRE, Aurélien
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Journal of Applied Physics. 2008, vol. 104, n° 5, p. 053114 (4 p.)

American Institute of Physics

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Monovalent silver ions, resulting from a thin silver layer initially deposited at the anode surface, have been introduced using the field-assisted ion-exchange technique in sodium niobium borophosphate glasses. A reproducible susceptibility chi(2) could be gained after this poling treatment, although a drop in the nonlinearity is observed due to the introduction of silver ions. From energy dispersive x-ray spectroscopy, it has been found that the nonlinear layer is characterized by a strong migration of sodium ions 4 µm deep inside the anode side, which have been partially replaced by silver ions. These results indicate a complex space-charge-migration process during the poling treatment, which is involved in the decrease in the mean second-harmonic generation signal.< Leer menos

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Optical glass

Optical harmonic generation

Silver

Dielectric polarisation

Ion exchange

Nonlinear optical susceptibility

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Second-harmonic generation in sodium and niobium borophosphate glasses after poling under field-assisted silver ions anodic injection

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