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(Color online) Normalized PL emission spectra of the laser device below (dashed line) and above (continuous line) threshold. Top inset: molecular structure of PFC. Bottom inset: VCSEL scheme.
Excitation fluence dependence of the laser peak output intensity. The solid curve is the linear fit to the experimental data. The inset shows the normalized laser emission spectra obtained by changing the device cavity length (excitation density of ).
Peak intensity of the emitted blue light vs the observation angle, , where is the distance between the microcavity and the detection plane. Inset: Scheme of the beam divergence. The angular divergence of the collected laser beam is related to the position by .
Temporal behavior of the emission decay for ASE from bare films (full symbols) and from the laser devices (empty symbols) at (circles) and (squares).
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