We demonstrate rejuvenation in scale-free optical propagation. The phenomenon is caused by the non-ergodic relaxation of the dipolar glass that mediates the photorefractive nonlinearity in compositionallydisordered lithium-enriched potassium-tantalate-niobate (KTN:Li). We implement rejuvenation to halt aging in the dipolar glass and extend the duration of beam diffraction cancellation.

Rejuvenation in scale-free optics and enhanced diffraction cancellation life-time

J Parravicini;C Conti;
2012

Abstract

We demonstrate rejuvenation in scale-free optical propagation. The phenomenon is caused by the non-ergodic relaxation of the dipolar glass that mediates the photorefractive nonlinearity in compositionallydisordered lithium-enriched potassium-tantalate-niobate (KTN:Li). We implement rejuvenation to halt aging in the dipolar glass and extend the duration of beam diffraction cancellation.
2012
Istituto per i Processi Chimico-Fisici - IPCF
Istituto dei Sistemi Complessi - ISC
Beam diffraction
Dipolar glass
Life-times
Photorefractive nonlinearity
Scale-free
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.14243/229695
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