PLASMONICS

Lasing under ultralow pumping

Ultralow-threshold plasmonic lasers under continuous-wave pumping at room temperature have been created using lattice plasmonic cavities integrated with gain material consisting of upconverting nanoparticles.

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Fig. 1: Threshold of lasers.
Fig. 2: Ultralow-threshold plasmonic lasers under continuous-wave (CW) pumping at room temperature.

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Correspondence to Ren-Min Ma.

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Ma, R. Lasing under ultralow pumping. Nat. Mater. 18, 1152–1153 (2019). https://doi.org/10.1038/s41563-019-0513-2

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