The effects of inhomogeneous broadening in an organic microcavity laser |
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Authors: | Susanne I Hintschich Hannes Gothe Vadim G Lyssenko Hartmut Fröb Karl Leo |
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Institution: | 1. Institut für Angewandte Photophysik IAPP, TU Dresden, George-B?hr-Stra?e 1, 01069, Dresden, Germany
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Abstract: | In this work we study the input–output characteristics of an organic vertical cavity surface emitting laser (OVCSEL) with an active layer of Alq3:DCM over 3 orders of magnitude in pump intensity. We find that lasing from this standard inhomogeneously broadened gain medium cannot be described using a single lasing threshold value. Instead, an inhomogeneously broadened distribution of spontaneous emission factors, beta, must be employed in order to correctly model the measured input–output characteristics. |
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