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Conferences > OTFA > 1997 > WD > WD.4

Origin of Optical Gain and Stimulated Emission in Conjugated Polymers

Ch. Spiegelberg, A. Schülzgen, M. M. Morrell, P. M. Allemand, B. Kippelen, and 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].

© 1997 Optical Society of America

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