Measuring the gain dynamics in a conjugated polymer film

S. A. van den Berg; V. A. Sautenkov; G. W. 't Hooft; E. R. Eliel

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Measuring the gain dynamics in a conjugated polymer film

S. A. van den Berg·V. A. Sautenkov·G. W. 't Hooft·E. R. Eliel

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Abstract

We present a simple method for measuring the gain decay time in a conjugated polymer film by optically exciting the film with two mutually delayed ultrashort pump pulses. When the pump is set at such a power level that amplified spontaneous emission marginally develops along the polymer waveguide, the total output emitted from its edge decays exponentially as a function of the interpulse delay. The corresponding decay time represents the decay time of the gain of the polymer material.

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S. A. van den Berg, V. A. Sautenkov, G. W. 't Hooft, E. R. Eliel. 2004-02-04. Measuring the gain dynamics in a conjugated polymer film. https://arxiv.org/abs/physics/0402017

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