# Investigation of a CO2 laser response to loss perturbation near period doubling

Ramon Corbalan, Jordi Cortit, Alexander N. Pisarchik, Viacheslav N. Chizhevsky, Ramon Vilaseca

Research output: Contribution to journalArticleResearchpeer-review

27 Citations (Scopus)

## Abstract

We have observed, in experiments with a loss-driven CO2 laser operating near the onset of a period-doubling bifurcation, strong amplification of a perturbation signal at half the driving frequency. However, deamplification has been observed above the bifurcation point. Using a two-level laser model we have obtained reasonably good agreement between numerical and experimental results. © 1995 The American Physical Society.
Original language English 663-668 Physical Review A 51 https://doi.org/10.1103/PhysRevA.51.663 Published - 1 Jan 1995

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