Pick and place distributed feedback lasers using organic single crystals
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Organic single crystals are of interest for optoelectronic applications due to their highly ordered molecular stacking and small defect concentration, giving the possibility of high mobility and luminescence efficiency. To achieve lasing in large flat single crystals, a simple “pick and place” method of mounting organic single crystals onto distributed feedback gratings is demonstrated. Efficient lasing is achieved with three kinds of active organic single crystals, indicating the potential for broad application of the method for making single crystal lasers using distributed feedback gratings. Detailed investigations of the anisotropic refractive index and waveguide simulations further confirm that distributed feedback can provide efficient ways of fabricating organic single crystal lasers.
Ma , S , Wei , M , Rajendran , S K , Karl , M , Xu , B , Gather , M C , Tian , W , Turnbull , G A & Samuel , I D W 2020 , ' Pick and place distributed feedback lasers using organic single crystals ' , Advanced Optical Materials , vol. 8 , no. 8 , 1901785 . https://doi.org/10.1002/adom.201901785
Advanced Optical Materials
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DescriptionThe authors acknowledge financial support from the Engineering and Physical Sciences Research Council (EPSRC, Hybrid Polaritonics Programme Grant EP/M025330/1), the Natural Science Foundation of China (21835001, 51573068, 51773080, and 21674041), the National Postdoctoral Program for Innovative Talents (BX20180126), the China Postdoctoral Science Foundation (2018M641769), and the Program for Changbaishan Scholars of Jilin Province. S.M. and M.W. acknowledge funding from the China Scholarship Council. M.K. acknowledges funding from the EPSRC DTG (EP/L505079/1).
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