Multicolor laser oscillation in a single self-assembled colloidal quantum dot microsphere

Alves, Pedro Urbano and Laurand, Nicolas and Dawson, Martin D.; (2020) Multicolor laser oscillation in a single self-assembled colloidal quantum dot microsphere. In: 2020 IEEE Photonics Conference (IPC). IEEE, CAN. ISBN 9781728158921 (https://doi.org/10.1109/IPC47351.2020.9252438)

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Abstract

Self-assembled microsphere lasers oscillating simultaneously at more than one wavelength in the visible are reported. The lasers consist of micron-scale supraparticles made of CdSxSe1-x/ ZnS quantum dots that emit between 585-605 nm and 625-655 nm.