Badada, Bekele H
Koehler, Michael R
Mandrus, David G
LeRoy, Brian J
Schaibley, John R
AffiliationUniv Arizona, Dept Phys
Univ Arizona, Coll Opt Sci
MetadataShow full item record
PublisherNATURE PUBLISHING GROUP
CitationKlein, M., Badada, B., Binder, R., Alfrey, A., Mckie, M., Koehler, M., . . . Schaibley, J. (2019). 2D semiconductor nonlinear plasmonic modulators. Nature Communications, 10(1), 3264.
Rights© The Author(s) 2019. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License.
Collection InformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at email@example.com.
AbstractA plasmonic modulator is a device that controls the amplitude or phase of propagating plasmons. In a pure plasmonic modulator, the presence or absence of a plasmonic pump wave controls the amplitude of a plasmonic probe wave through a channel. This control has to be mediated by an interaction between disparate plasmonic waves, typically requiring the integration of a nonlinear material. In this work, we demonstrate a 2D semiconductor nonlinear plasmonic modulator based on a WSe2 monolayer integrated on top of a lithographically defined metallic waveguide. We utilize the strong interaction between the surface plasmon polaritons (SPPs) and excitons in the WSe2 to give a 73 % change in transmission through the device. We demonstrate control of the propagating SPPs using both optical and SPP pumps, realizing a 2D semiconductor nonlinear plasmonic modulator, with an ultrafast response time of 290 fs.
NoteOpen access journal
VersionFinal published version
SponsorsAFOSR-YIP award [FA9550-17-1-0215]; Gordon and Betty Moore Foundation's EPiQS Initiative [GBMF4416]; Elemental Strategy Initiative; CREST [JPMJCR15F3]; Science Foundation of Arizona, Bisgrove Scholars Program [BSP 0821-17]; AFOSR [FA9550-18-1-0049]; National Science Foundation [EECS-1607911, 1337371]
Except where otherwise noted, this item's license is described as © The Author(s) 2019. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License.
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