One-dimension Random Laser based on Artificial High-index Contrast Scatterers
Wu Y.1; Ren Y.1; Chen A.1; Chen Z.1; Liang Y.1; Li J.1; Lou G.1; Zhu H.1; Gui X.1; Tang Z.2
Source PublicationAsia Communications and Photonics Conference, ACP
AbstractThe realization of one-dimension random laser by using artificially fabricated scatterers in our experiment represents a novelty method towards the development of manipulated-RL, which will highlight the application of disordered system on optoelectronic devices. Random laser (RL) has attracted a lot of attention in recent years because of its unique properties[1-3] and great potential in practical application such as biological probes and speckle-free full-field imaging.[4] In this letter, a feasible method was proposed to manipulate the lasing features of RL by adjusting the average spacing of the scattering centers in one-dimension microwire (MW) artificially. Here, the high index contrast scatterers (micro-pits) in the MW were fabricated by using laser ablation technique. The well-defined lasing spikes of random laser can be well locked in the dynamic range. Meanwhile, the small divergence angle was obtained from the 1D RL. The flexible adjustment of scattering feedback mean free path via laser ablation method in this letter can be considered as an effective approach to control the lasing features of RL.
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Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.Sun Yat-Sen University
2.Universidade de Macau
Recommended Citation
GB/T 7714
Wu Y.,Ren Y.,Chen A.,et al. One-dimension Random Laser based on Artificial High-index Contrast Scatterers[C],2017.
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