Origin of Optical Gain and Stimulated Emission in Conjugated Polymers

Organic Thin Films for Photonics Applications Pub Date : 1900-01-01 DOI:10.1364/otfa.1997.wd.4

C. Spiegelberg, A. Schülzgen, M. Morrell, P. Allemand, B. Kippelen, N. Peyghambarian

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Abstract

Recent reports on a spectrally narrow emission peak have generated a lot of excitement in the scientific community. Hide et al. [1] and Frolov et al. [2] reported dramatic photoluminescence (PL) line narrowing in a variety of PPV derivative films for exciton densities above 1017 cm-3, indicating stimulated emission (SE). The SE linewidth (7 to 9 nm) has been attributed to either amplified spontaneous emission [1] or superradiance [2].

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共轭聚合物中光学增益和受激发射的来源

最近关于窄光谱辐射峰值的报告在科学界引起了极大的兴奋。Hide等人[1]和Frolov等人[2]报道了激子密度在1017 cm-3以上时，各种PPV衍生膜中显著的光致发光(PL)线变窄，表明受激发射(SE)。东南线宽(7至9 nm)归因于放大的自发辐射[1]或超辐射[2]。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Organic Thin Films for Photonics Applications

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