Lasing threshold in the conventional lasers is the minimum input power required to initiate laser oscillation. It has been widely accepted that the conventional laser threshold occurring around a ...
Figure | Operation principle of the monolithic microcavity-metalens interfaces. (a) Schematics of the monolithic microcavity-metalens interface. A QD-micropillar single-photon device emits bright and ...
Spontaneous two-photon emission (STPE) refers to a pure quantum mechanical process in which vacuum fluctuations drive the emission consisting of a pair of highly correlated single photons. From the ...
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