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Local fluorescent dye excitation with guided second-harmonic in lithium niobate nanowires

Sergeyev, Anton; Geiss, Reinhard; Solntsev, Alexander; Kley, E.-B.; Pertsch, Thomas; Grange, Rachel


We have generated second-harmonic (SH) signal in lithium niobate (LiNbO3) nanowires (NWs) to locally excite fluorescent dye in typical cell staining concentration. We show the second-order behavior of the SH signal in a NW with cross-section of 400x600 nm2. A guided SH power of 63±6 pW is needed to detect dye excitation in a 1 μg/ml DAPI dye solution. We also perform simulations to define that the LiNbO3 NWs with cross-sections down to 40×60nm2 are potentially able to produce the threshold...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Conference paper
Source: Optics InfoBase Conference Papers
DOI: 10.1364/CLEO_QELS.2014.FW1D.5


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