Nanoparticle acoustic resonance enhanced nearly degenerate four-wave mixing

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dc.contributor.authorXiang, Dao
dc.contributor.authorGordon, Reuven
dc.date.accessioned2023-04-27T21:57:27Z
dc.date.available2023-04-27T21:57:27Z
dc.date.copyright2016en_US
dc.date.issued2016-06-09
dc.description.abstractNanoparticles have acoustic resonances in the 10 GHz to THz range, which makes them interesting for resonantly enhanced four-wave mixing applications such as frequency conversion. Using a nearly degenerate four-wave mixing setup and comparing with Rayleigh–Gans–Debye scattering, we estimate a nonlinear refractive index, n2, of approximately 2 × 10–5 cm2/MW for 22 nm polystyrene nanospheres in water at a difference frequency of 43 GHz. This is nearly 3 orders of magnitude larger than the typical below-band-gap nonlinear response of semiconductors. This strong high-frequency response may be ideal for four-wave frequency conversion in all-optical information technologies, with appropriately chosen nanoparticle sizes.en_US
dc.description.reviewstatusRevieweden_US
dc.description.scholarlevelFacultyen_US
dc.description.sponsorshipThe authors acknowledge financial support from the Natural Sciences and Engineering Research Council CREATE grant Materials for Enhanced Energy Technologies.en_US
dc.identifier.citationXiang, D., & Gordon, R. (2016). Nanoparticle acoustic resonance enhanced nearly degenerate four-wave mixing. ACS Photonics, 3(8), 1421–1425. https://doi.org/10.1021/acsphotonics.5b00757en_US
dc.identifier.urihttps://doi.org/10.1021/acsphotonics.5b00757
dc.identifier.urihttp://hdl.handle.net/1828/15017
dc.language.isoenen_US
dc.publisherACS Photonicsen_US
dc.subjectnonlinear nanophotonics
dc.subjectnanoparticles
dc.subjectacoustic vibration
dc.subjectfour-wave mixing
dc.subject.departmentDepartment of Electrical and Computer Engineering
dc.titleNanoparticle acoustic resonance enhanced nearly degenerate four-wave mixingen_US
dc.typePostprinten_US

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