17 April 1998 Semiconducting conjugated polymers: light amplification and lasing
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We study the emission properties of various laser cavities under pulsed optical excitation of the active semiconducting conjugated polymer material. Physical origin, magnitude, and dynamics of optical gain in these novel active laser materials are discussed leading to a selection of suitable cavity configurations for laser applications. We demonstrate laser action for various planar and ring resonator configurations that can be achieved in the regimes of transient inversion and quasi stationary excitation of the polymer material pumping with femtosecond and nanosecond pulses, respectively.
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Alex Schuelzgen, Christine Spiegelberg, Michael M. Morrell, Sergio Brito Mendes, Pierre-Marc Allemand, Yutaka Kawabe, Makoto Kuwata-Gonokami, Seppo Honkanen, Mahmoud Fallahi, Bernard Kippelen, Nasser Peyghambarian, "Semiconducting conjugated polymers: light amplification and lasing", Proc. SPIE 3281, Polymer Photonic Devices, (17 April 1998); doi: 10.1117/12.305421; https://doi.org/10.1117/12.305421

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