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, Toshinori Matsusima, Jean Charles Maurice Ribierre, Chihaya Adachi

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number233107
JournalJournal of Applied Physics
Volume121
Issue number23
DOIs
Publication statusPublished - Jun 21 2017

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organic lasers
organic semiconductors
Q factors
film thickness
resonators
semiconductor lasers
cavity resonators
carbazoles
distributed feedback lasers
gratings
vacuum
cavities
thin films

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Influence of the organic film thickness on the second order distributed feedback resonator properties of an organic semiconductor laser. / Bencheikh, F.; Sandanayaka, A. S.D.; Matsusima, Toshinori; Ribierre, Jean Charles Maurice; Adachi, Chihaya.

In: Journal of Applied Physics, Vol. 121, No. 23, 233107, 21.06.2017.

Research output: Contribution to journalArticle

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