Nonlinear Disorder Mapping Through Three-Wave Mixing

Nonlinear Disorder Mapping Through Three-Wave Mixing

We implement a simple and powerful approach to characterize the domain distribution in the bulk of quadratic ferroelectric crystals via far-field second-harmonic spectroscopy. The approach is demonstrated in a lithium tantalate sample with periodic electric field poling and random mark-to-space rati...

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Veröffentlicht in:IEEE photonics journal 2010-02, Vol.2 (1), p.18-28
Hauptverfasser: Pasquazi, A., Busacca, A., Stivala, S., Morandotti, R., Assanto, G.
Format: Artikel
Sprache:eng
Schlagworte:
Crystals
Disorders
Ferroelectric crystals
Ferroelectric materials
Frequency conversion
image analysis
Lithium tantalates
Mapping
Nonhomogeneous media
Nonlinear optics
Nonlinearity
Optical frequency conversion
Optical mixing
Optical scattering
Photonics
random quasi phase matching
Second-harmonic generation
Spectroscopy
Three-wave mixing
Ultrafast optics
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Beschreibung
Zusammenfassung:We implement a simple and powerful approach to characterize the domain distribution in the bulk of quadratic ferroelectric crystals via far-field second-harmonic spectroscopy. The approach is demonstrated in a lithium tantalate sample with periodic electric field poling and random mark-to-space ratio.
ISSN:1943-0655
1943-0647
DOI:10.1109/JPHOT.2009.2039866