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25 September 2013 Organic octagonal quasicrystal mircocavity lasers based conjugated-polymer material with ultralow refractive-index
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Abstract
We experimentally demonstrate and characterize an organic octagonal quasicrystal slab with a single-defect microcavity at low-index contrast. The gain medium is the conjugated-polymer, composed by two PPV derivatives, a BEHP-PPV and a MEH-PPV. By optical pumping, the lasing action is achieved at 607 nm with a FWHM of 1nm. The threshold of lasing is 9uJ/cm2. The intensity of the lasing peak depends linearly on the pump energy above the threshold.
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Xiao Chen, Guo-jian Yang, Fei-jun Song, and Yi-quan Wang "Organic octagonal quasicrystal mircocavity lasers based conjugated-polymer material with ultralow refractive-index", Proc. SPIE 8847, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VII, 884707 (25 September 2013); https://doi.org/10.1117/12.2021780
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