Scientific Results

Controlling laser chaos with selective feedback

Year: 1996

Authors: Ciofini M., Meucci R.

Autors Affiliation: Istituto Nazionale di Ottica, largo E. Fermi 6, 50125 Firenze, Italy

Abstract: The chaotic behavior of a class B laser can be controlled by the negative feedback of a suitable spectral component of the laser intensity. This control scheme involves the transmission of all unwanted frequency components as correction signals. The zero frequency component and the component at the frequency of the stabilized orbit were not affected by the negative feedback loop. The validity of this control scheme was verified numerically and experimentally in a carbon dioxide laser with modulated losses.

Conference title: CLEO/Europe ‘96
Place: Hamburg, Germany

KeyWords: Amplitude modulation; Carbon dioxide lasers; Frequency domain analysis; Mathematical models; Optical transfer function; Spurious signal noise, Laser chaos control; Sinusoidal modulation, Laser optics

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