Multifractality and the effect of turbulence on the chaotic dynamics of a hene laser

Damián Gulich, Luciano Zunino, Darío Pérez, Mario Garavaglia

Resultado de la investigación: Capítulo del libro/informe/acta de congresoContribución a la conferenciarevisión exhaustiva

Resumen

We propose the use of multifractal detrended fluctuation analysis (MF-DFA) to measure the influence of atmospheric turbulence on the chaotic dynamics of a HeNe laser. Fit ranges for MF-DFA are obtained with goodness of linear fit (GoLF) criterion The chaotic behavior is generated by means of a simple interferometric setup with a feedback to the cavity of the gas laser Such dynamics have been studied in the past and modeled as a function of the feedback level. Different intensities of isotropic turbulence have been generated with a turbulator device, allowing a structure constant for the index of refraction of air adjustable by means of a temperature difference parameter in the unit Considering the recent interest in message encryption with this kind of setups, the study of atmospheric turbulence effects plays a key role in the field of secure laser communication through the atmosphere In principle, different intensities of turbulence may be interpreted as different levels of white noise on the original chaotic series. These results can be of utility for performance optimization in chaotic free-space laser communication systems.

Idioma originalInglés
Título de la publicación alojadaLaser Communication and Propagation through the Atmosphere and Oceans II
DOI
EstadoPublicada - 2013
Publicado de forma externa
Evento2nd Conference on Laser Communication and Propagation through the Atmosphere and Oceans II - San Diego, CA, Estados Unidos
Duración: 26 ago 201327 ago 2013

Serie de la publicación

NombreProceedings of SPIE - The International Society for Optical Engineering
Volumen8874
ISSN (versión impresa)0277-786X
ISSN (versión digital)1996-756X

Conferencia

Conferencia2nd Conference on Laser Communication and Propagation through the Atmosphere and Oceans II
País/TerritorioEstados Unidos
CiudadSan Diego, CA
Período26/08/1327/08/13

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