Characteristics of optical chaos generated by an acousto-optic system in the Raman-Nath mode

Anjan K. Ghosh

doi:10.1117/12.2529484

6 September 2019 Characteristics of optical chaos generated by an acousto-optic system in the Raman-Nath mode

Anjan K. Ghosh

Proceedings Volume 11136, Optics and Photonics for Information Processing XIII; 111360X (2019) https://doi.org/10.1117/12.2529484
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States

Abstract

Chaotic optical signals may be generated by using an acousto-optic system in the Raman-Nath mode. The bistability in the Raman-Nath mode is realized by detecting the intensity of the diffracted optical beams and feeding back the electronic signal to drive the acousto-optic cell. If the parameters of the system are chosen ”judiciously”, the intensity of the output beams oscillates in a chaotic manner in time. The conditions for generating chaos from various diffraction orders of the Raman-Nath cell are derived by calculating the Lyapunov exponents. If the Lyapunov exponent is a positive number then the system generates chaos; otherwise the system remains stable and produces a well-defined output signal. When the Lyapunov exponent for a RamanNath diffraction order is known the physical parameters are calculated so that chaos is produced in the output of the system in that diffraction order.

Conference Presentation

Citation Download Citation

Anjan K. Ghosh "Characteristics of optical chaos generated by an acousto-optic system in the Raman-Nath mode", Proc. SPIE 11136, Optics and Photonics for Information Processing XIII, 111360X (6 September 2019); https://doi.org/10.1117/12.2529484

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