Light-controlled erasure of induced χ(2) in thermally poled glasses - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Applied Physics Letters Année : 1999

Light-controlled erasure of induced χ(2) in thermally poled glasses

Résumé

We demonstrate that the induced second order nonlinearity χ(2) generated in thermal poled doped borosilicate glasses can be erased by a prolonged exposure to near IR laser radiation. The evolution of the second harmonic signal with respect to laser time exposure, intensity and wavelength is reported. The IR laser radiation induced relaxation of the χ(2) is mainly related to two-photon absorption of the glass. The nonexponential time dependence of the second harmonic signal agrees with a simple model involving diffusion of photoexcited carriers. The reversible erasure process is also observed when the sample is exposed to near ultraviolet laser radiation.
Fichier principal
Vignette du fichier
1.123917.pdf (832.53 Ko) Télécharger le fichier
Origine : Fichiers éditeurs autorisés sur une archive ouverte

Dates et versions

hal-01550383 , version 1 (07-02-2023)

Identifiants

Citer

Sylvie Montant, A. Le Calvez, E. Freysz, André Ducasse, Virginie Nazabal, et al.. Light-controlled erasure of induced χ(2) in thermally poled glasses. Applied Physics Letters, 1999, 74 (18), pp.2623-2625. ⟨10.1063/1.123917⟩. ⟨hal-01550383⟩
31 Consultations
5 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More