Investigation of KTiOPO4 nanocrystals by means of second-harmonic light emission

Chunyuan Zhou; Loc Le Xuan; Abdallah Slablab; Nicolas Sandeau; Sophie Brasselet; Dominique Chauvat; Jean François Roch

doi:10.3788/COL20080601.0064

Investigation of KTiOPO4 nanocrystals by means of second-harmonic light emission

Chunyuan Zhou, Loc Le Xuan, Abdallah Slablab, Nicolas Sandeau, Sophie Brasselet, Dominique Chauvat, Jean François Roch

Research output: Contribution to journal › Article › Scientific › peer-review

4 Citations (Scopus)

Abstract

The finding of nonlinear nanometric-sized probes is of key importance for the development of nonlinear microscopy in physical as well as biological sciences. We isolate nonlinear KTiOPO₄ nanocrystals and study them by second-harmonic generation microscopy (SHGM) and atomic force microscopy (AFM) independently. With both polarization analysis and defocused imaging of the emitted second harmonic field, we extract the Euler angles of the crystalline axes of a single nanocrystal. A balanced coherent optical homodyne detection shows the coherent nature of the nanocrystal nonlinear emission and allows a phase measurement of the emitted second-harmonic field. These features make the KTiOPO₄ nanocrystal a good candidate for a vectorial probe of electromagnetic near fields.

Original language	English
Pages (from-to)	64-67
Number of pages	4
Journal	Chinese Optics Letters
Volume	6
Issue number	1
DOIs	https://doi.org/10.3788/COL20080601.0064
Publication status	Published - Jan 2008
Externally published	Yes
Publication type	A1 Journal article-refereed

ASJC Scopus subject areas

General Physics and Astronomy

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abstract = "The finding of nonlinear nanometric-sized probes is of key importance for the development of nonlinear microscopy in physical as well as biological sciences. We isolate nonlinear KTiOPO4 nanocrystals and study them by second-harmonic generation microscopy (SHGM) and atomic force microscopy (AFM) independently. With both polarization analysis and defocused imaging of the emitted second harmonic field, we extract the Euler angles of the crystalline axes of a single nanocrystal. A balanced coherent optical homodyne detection shows the coherent nature of the nanocrystal nonlinear emission and allows a phase measurement of the emitted second-harmonic field. These features make the KTiOPO4 nanocrystal a good candidate for a vectorial probe of electromagnetic near fields.",

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AU - Zhou, Chunyuan

AU - Xuan, Loc Le

AU - Slablab, Abdallah

AU - Sandeau, Nicolas

AU - Brasselet, Sophie

AU - Chauvat, Dominique

AU - Roch, Jean François

PY - 2008/1

Y1 - 2008/1

N2 - The finding of nonlinear nanometric-sized probes is of key importance for the development of nonlinear microscopy in physical as well as biological sciences. We isolate nonlinear KTiOPO4 nanocrystals and study them by second-harmonic generation microscopy (SHGM) and atomic force microscopy (AFM) independently. With both polarization analysis and defocused imaging of the emitted second harmonic field, we extract the Euler angles of the crystalline axes of a single nanocrystal. A balanced coherent optical homodyne detection shows the coherent nature of the nanocrystal nonlinear emission and allows a phase measurement of the emitted second-harmonic field. These features make the KTiOPO4 nanocrystal a good candidate for a vectorial probe of electromagnetic near fields.

AB - The finding of nonlinear nanometric-sized probes is of key importance for the development of nonlinear microscopy in physical as well as biological sciences. We isolate nonlinear KTiOPO4 nanocrystals and study them by second-harmonic generation microscopy (SHGM) and atomic force microscopy (AFM) independently. With both polarization analysis and defocused imaging of the emitted second harmonic field, we extract the Euler angles of the crystalline axes of a single nanocrystal. A balanced coherent optical homodyne detection shows the coherent nature of the nanocrystal nonlinear emission and allows a phase measurement of the emitted second-harmonic field. These features make the KTiOPO4 nanocrystal a good candidate for a vectorial probe of electromagnetic near fields.

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Investigation of KTiOPO4 nanocrystals by means of second-harmonic light emission

Abstract

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