Wave interference effect on polymer microstadium laser

Details Wave interference effect on polymer microstadium laser Wave interference effect on polymer microstadium laser

2007-05-07

arxiv.org/abs/0705.0869v1

Physics

Optics

Scientific paper

10.1063/1.2762285

We investigate the lasing modes in fully chaotic polymer microstadiums under optical pumping. The lasing modes are regularly spaced in frequency, and their amplitudes oscillate with frequency. Our numerical simulations reveal that the lasing modes are multi-orbit scar modes. The interference of partial waves propagating along the constituent orbits results in local maxima of quality factor at certain frequencies. The observed modulation of lasing mode amplitude with frequency results from the variation of quality factor, which provides the direct evidence of wave interference effect in open chaotic microcavities.

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