24 April 2018 Remote plasmonic optical trapping on silver nanowire induced by nonlinear wave-mixing effects
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Proceedings Volume 10712, Optical Manipulation Conference; 107120E (2018) https://doi.org/10.1117/12.2317808
Event: SPIE Structured Light, 2018, Yokohama, Japan
Abstract
We have experimentally demonstrated remote plasmonic optical trapping on a chemically-synthesized silver nanowire (AgNW) induced by nonlinear optical effects, i.e. sum-frequency generation (SFG) and four wave-mixing (FWM). AgNWs were spin coated on a clean cover slip, and then covered with quantum dot (QD) aqueous solution. Two femtosecond IR laser pulses having different energies were focused on one end of the AgNW. SFG and FWM signal was observed at not only the excitation spot but also another end of AgNW through launching propagating plasmon modes. As results, it was found that QDs were trapped on the AgNW when two pulses were overlapped in time. QD resonance wavelength dependence on the trapping behavior indicates that trapping site on AgNW can be controlled.
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Shuichi Toyouchi, Shuichi Toyouchi, Mathias Wolf, Mathias Wolf, Yasuhiko Fujita, Yasuhiko Fujita, Hiroshi Uji-i, Hiroshi Uji-i, } "Remote plasmonic optical trapping on silver nanowire induced by nonlinear wave-mixing effects ", Proc. SPIE 10712, Optical Manipulation Conference, 107120E (24 April 2018); doi: 10.1117/12.2317808; https://doi.org/10.1117/12.2317808
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