Influence of the organic film thickness on the second order distributed feedback resonator properties of an organic semiconductor laser

F. Bencheikh, A. S.D. Sandanayaka, T. Matsushima, J. C. Ribierre, C. Adachi

研究成果: Contribution to journalArticle

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We report on the cavity numerical characterization of a second order one-dimensional distributed feedback organic laser. The gain medium containing 6 wt. % of 4,4′-bis[(N-carbazole)styryl]biphenyl) in a 4,4′-bis[9-dicarbazolyl]-2,2′-biphenyl) host is vacuum deposited to form an organic thin film on a SiO2 grating. The influence of the organic film thickness on the properties of the resonant cavity is investigated through numerical calculations of both the confinement factor Γ and the Q-factor. The Q-factor is obtained using two methods, one by calculating the eigenmodes of the resonant cavity and the other by calculating the reflection spectrum. It was found that while the Γ increases with the organic film thickness, the Q-factor shows a non-monotonic function with a maximum value for a thickness of 200 nm.

元の言語英語
記事番号233107
ジャーナルJournal of Applied Physics
121
発行部数23
DOI
出版物ステータス出版済み - 6 21 2017

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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