Organic Diode Laser Dynamics: Rate-Equation Model, Reabsorption, Validation and Threshold Predictions

We present and analyze a simple model based on six rate equations for an electrically pumped organic diode laser. The model applies to organic host-guest systems and includes Stoke-shifted reabsorption in a self-consistent manner. With the validated model for the Alq3:DCM host-guest system, we predi...

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Bibliographic Details
Published inPhotonics Vol. 8; no. 7; p. 279
Main Authors Lenstra, Daan, Fischer, Alexis P.A., Ouirimi, Amani, Chime, Alex Chamberlain, Loganathan, Nixson, Chakaroun, Mahmoud
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.07.2021
Subjects
laser
laser dynamics
Lasers
Net losses
OLED
optoelectronics
organic laser diode
Organic light emitting diodes
Oscillations
Reabsorption
Relaxation oscillations
Semiconductor lasers
Semiconductors
Short pulses
Spectrum analysis
Supramolecular compounds
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Summary:We present and analyze a simple model based on six rate equations for an electrically pumped organic diode laser. The model applies to organic host-guest systems and includes Stoke-shifted reabsorption in a self-consistent manner. With the validated model for the Alq3:DCM host-guest system, we predict the threshold for short-pulse laser operation. We predict laser operation characterized by damped relaxation oscillations in the GHz regime and several orders of magnitude linewidth narrowing. Prospect for CW steady-state laser operation is discussed.
ISSN:2304-6732
2304-6732
DOI:10.3390/photonics8070279