CO2 laser dynamics by optical modulation of inversion

Pisarchik, Alexander N.

doi:10.1007/bf00620248

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Cited by 10 publications

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“…Small signal amplification and deamplification phenomena near the onset of a period-doubling bifurcation (PDB) have attracted much attention recently because of their possible applications for signal amplification, in particular to increase sensitivity in modulation intracavity spectroscopy [1] and because of their relationship with the phenomenon of "squeezed light" in quantum optics [2]. The response of nonlinear dynamic systems to small perturbations near simple critical points has been studied theoretically and experimentally in diverse parametric systems [3 -10] including lasers with modulated losses [9,10].…”

Section: Introductionmentioning

confidence: 99%

Investigation of aCO2laser response to loss perturbation near period doubling

et al. 1995

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We have observed, in experiments with a loss-driven CO2 laser operating near the onset of a perioddoubling 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. PACS number(s): 42.60. -v, 42.65. -k

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Section: Introductionmentioning

confidence: 99%