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Xiaoyu Shi, Yanrong Wang, Zhaona Wang, Sujun Wei, Yanyan Sun, Dahe Liu, Jing Zhou, Yongyi Zhang and Jinwei Shi Random Lasing with a High Quality Factor over the Whole Visible Range Based on Cascade Energy Transfer Advanced Optical Materials 2

Version of Record online: 2 DEC 2013 | DOI: 10.1002/adom.201300299

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Low threshold coherent random lasing with a high quality factor (∼13 000) over the whole visible range is experimentally observed using gold–silver bimetallic porous nanowires with abundant nanogaps as the scatterers. Multi gain media can provide broad tunability of the emission wavelength when the system is pumped by single-wavelength laser pulses.

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