Electrochemical Control of Strong Coupling of CdSe Exciton-Polaritons in Plasmonic Cavities
Nathan G. Sinai,
Christian Y. Dones Lassalle,
Jennica E. Kelm
et al.
Abstract:This work reports in situ (active) electrochemical control over the coupling strength between semiconducting nanoplatelets and a plasmonic cavity. We found that by applying a reductive bias to an Al nanoparticle lattice working electrode the number of CdSe nanoplatelet emitters that can couple to the cavity is decreased. Strong coupling can be reversibly recovered by discharging the lattice at oxidative potentials relative to the conduction band edge reduction potential of the emitters. By correlating the numb… Show more
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