dc.contributor.authorWang, Shuxian
dc.contributor.authorZhang, Yuxia
dc.contributor.authorXing, Jun
dc.contributor.authorLiu, Xinfeng
dc.contributor.authorYu, Haohai
dc.contributor.authorDi Lieto, Alberto
dc.contributor.authorTonelli, Mauro
dc.contributor.authorSum, Tze Chien
dc.contributor.authorZhang, Huaijin
dc.contributor.authorXiong, Qihua
dc.identifier.citationWang, S., Zhang, Y., Xing, J., Liu, X., Yu, H., Di Lieto, A., et al. Nonlinear optical response of Au nanorods for broadband pulse modulation in bulk visible lasers. Applied Physics Letters, 107(16), 161103-.en_US
dc.description.abstractDue to the lack of suitable optical modulators, directly generated Pr3+- and Dy3+-doped bulk visible lasers are limited in the continuous-wave operation; yet, pulsed visible lasers are only sparingly reported recently. It has been theoretically predicated that Au nanorods could modulate the visible light operation, based on the nonlinear optical response of surface plasmon resonance. Here, we demonstrate the saturable absorption properties of Au nanorods in the visible region and experimentally realized the pulsed visible lasers over the spectral range of orange (605 nm), red (639 nm), and deep red (721 nm) with Au nanorods as the optical modulator. We show that Au nanorods have a broad nonlinear optical response and can serve as a type of broadband, low-cost, and eco-friendly candidate for optical switchers in the visible region. Our work also advocates the promise of plasmonic nanostructures for the development of pulsed lasers and other plasmonic devices.en_US
dc.format.extent5 p.en_US
dc.relation.ispartofseriesApplied Physics Lettersen_US
dc.rights© 2015 AIP Publishing LLC. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of AIP Publishing LLC. The published version is available at: [http://dx.doi.org/10.1063/1.4934528]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en_US
dc.titleNonlinear optical response of Au nanorods for broadband pulse modulation in bulk visible lasersen_US
dc.typeJournal Article
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.description.versionPublished versionen_US

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