期刊
NANO LETTERS
卷 14, 期 9, 页码 5004-5009出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl501424d
关键词
Optical Manipulation and Trapping; Optical Tweezers; Slot Photonic Crystal Cavity; Au Nanoparticles; Bakaction; Integrated Photonic Circuit
类别
资金
- Natural Science and Engineering Research Council (Canada)
Silicon microcavity-based optical trapping of Au nanoparticles with diameters as small as approximate to 24 nm is achieved using optical powers <1 mW. By comparing measured and modeled histograms of transmission time series data obtained when a particle is trapped in the cavity, it is shown that the influence of backaction on the transmitted light dynamics alone can be used to determine the size of trapped particles with nanometer precision.
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