Three-dimensional organic microlasers

Melissa A. Guidry; Yalei Song; Clément Lafargue; Barbara Dietz; Dominique Decanini; Alain Grigis; Mélanie Lebental

doi:10.1117/12.2506621

4 March 2019 Three-dimensional organic microlasers

Melissa A. Guidry, Yalei Song, Clément Lafargue, Barbara Dietz, Dominique Decanini, Alain Grigis, Mélanie Lebental

Proceedings Volume 10904, Laser Resonators, Microresonators, and Beam Control XXI; 109040Z (2019) https://doi.org/10.1117/12.2506621
Event: SPIE LASE, 2019, San Francisco, California, United States

Abstract

Three-dimensional (3D) fabrication by direct laser writing opens new perspectives in resonator design and laser applications. We fabricated various shapes and sizes of microlasers of nanoscale quality: pyramids, tetrahedra, and 3D plano-concave cavities. The lasing thresholds depend on the resonator shapes and are lower than those of equivalent two-dimensional microlasers. The experimental spectra and the directions of emission may be predicted via a semiclassical analysis using periodic orbits, in good agreement with experiments. The screw angle is a key quantity to characterize a periodic orbit in 3D resonators. In this proceeding, we present different methods to calculate the screw angle in polyhedra, based on the example of the folded diamond periodic orbit in the square pyramid. Preliminary experimental results on the regular tetrahedron are also reported.

Citation Download Citation

Melissa A. Guidry, Yalei Song, Clément Lafargue, Barbara Dietz, Dominique Decanini, Alain Grigis, and Mélanie Lebental "Three-dimensional organic microlasers", Proc. SPIE 10904, Laser Resonators, Microresonators, and Beam Control XXI, 109040Z (4 March 2019); https://doi.org/10.1117/12.2506621

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