Theoretical and experimental analysis of intensity noise in a codoped erbium-ytterbium glass laser.

Abstract. A comprehensive analysis of the mechanisms inducing intensity noise in a single-frequency, diode-pumped erbium--ytterbium glass laser is presented. Owing to the energy transfer between the codopant and the active material, the Er:Yb laser shows a markedly reduced sensitivity to pump power fluctuations, and hence its intensity noise spectrum is mainly determined by the fluctuations in the cavity losses. The experimental measurements confirm the results of the theoretical analysis. [ABSTRACT FROM AUTHOR]