Amplified spontaneous emission in dye-doped sol-gel amplifiers

Moran Roth, A. Hardy, S. Ruschin

Research output: Contribution to journalArticlepeer-review


Transversely pumped dye-doped slab waveguides are investigated. A set of coupled-rate equations for the excited-state population and for the amplified spontaneous emission (ASE) power, at all wavelengths, is presented. The equations are solved numerically for the steady-state case. The results describe the dependence of ASE output power on pumping power, the spectral narrowing process, and the effect of waveguiding. The theoretical calculations are compared with the results of experiments, and good agreement is found.

Original languageEnglish
Pages (from-to)189-198
Number of pages10
JournalIEEE Journal of Quantum Electronics
Issue number2
StatePublished - Feb 2001


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