Overall rectification and second harmonic generation of space charge waves

Autor(en): Petrov, MP
Bryksin, VV
Vogt, H
Rahe, F
Kratzig, E
Stichwörter: CURRENT INSTABILITY; FIELD; Materials Science; Materials Science, Multidisciplinary; PHOTOREFRACTIVE CRYSTALS; Physics; Physics, Applied; Physics, Condensed Matter; SIGNAL
Erscheinungsdatum: 2002
Herausgeber: AMER PHYSICAL SOC
Journal: PHYSICAL REVIEW B
Volumen: 66
Ausgabe: 8
Zusammenfassung: 
The effects of overall rectification and second-harmonic generation of space-charge waves in photorefractive crystals were reliably detected. The effect of overall rectification results in variations of the dc current flowing in a circuit containing a photorefractive crystal and a voltage source when space-charge waves are excited in the crystal. In the experiments, variations in the dc current reached 20%. Two mechanisms responsible for second-harmonic generation were experimentally revealed. The theory of the observed effects is briefly described.
ISSN: 24699950
DOI: 10.1103/PhysRevB.66.085107

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