Full text loading...
Optical microscope image of the spiral microcavity with geometrical parameters and . The active part of the microcavity is made of a DCM-doped poly(methylmethacrylate) film. The inset shows a SEM image of the notch.
Laser emission spectra of (a) and (b) polymer spirals with . The factor for a spiral is . The value of the larger spiral cannot be measured because of limited spectrometer resolution. The inset is a scheme of the flood-pump geometry.
Unidirectional far-field emission pattern for a and spiral. In the SS-ring pumping case (a), the spiral microcavity is ring pumped with a ring-shaped beam of diameter and ring thickness . In the LS-ring pumping (b), and . Insets in far-field plots exhibit pump locations. (c) Diagram of the ICCD camera angle orientation.
Log-Log plot of peak output intensity vs peak pump intensity for the ring pumping scheme with light. (a) SS-ring pumping. (b) LS-ring pumping. Solid lines are linear fits to the experimental data.
Article metrics loading...