Suppressing SBS Through Chaotic Phase Modulation Rafael G. Setra, Thomas E. Murphy, and Rajarshi Roy University of Maryland, College Park.

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Presentation transcript:

Suppressing SBS Through Chaotic Phase Modulation Rafael G. Setra, Thomas E. Murphy, and Rajarshi Roy University of Maryland, College Park

Introduction to SBS  Stimulated Brillouin scattering (SBS) is a nonlinear interaction between optical and acoustical waves 2 Waves in SBS.

Significance of SBS  Limits transmitted power through fiber optic systems  An existing suppression method is phase modulation  We look at the possibility of chaotic phase modulation 3 Phase modulation setup.Actual setup.

Experimental Output Power 4 Output power due to various modulations.

Simulation Comparison 5 Output power due to no modulation.

Simulation Prediction 6

Conclusions  Chaotic phase modulation is effective in SBS suppression.  Developed simulation that accurately predicts SBS threshold.  Chaotic modulation is comparable to sine modulation. 7

Future Work Recover the original signal through a demodulation