Measurements Of Intensity And Spatial Crosstalk In Degenerate Four-Wave Mixing (DFWM)

J. Fukumoto; J. Brock; L. Frantz; P. Fairchild

doi:10.1117/12.939703

22 April 1988 Measurements Of Intensity And Spatial Crosstalk In Degenerate Four-Wave Mixing (DFWM)

J. Fukumoto, J. Brock, L. Frantz, P. Fairchild

Proceedings Volume 0739, Phase Conjugation, Beam Combining, and Diagnostics; (1988) https://doi.org/10.1117/12.939703
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

Abstract

Crosstalk between two beams incident on a phase-conjugating four wave mixer (FWM) was investigated as a function of beam input angles and beam intensities for the case where both input beams and the FWM pumps were the same frequency. Intensity crosstalk in the conjugated return beams was observed. Spatial image crosstalk was also observed. Analysis shows that spatial and intensity crosstalk arise from the same mechanism, a competition for pump intensity that occurs when the sum of the probe and noise intensities is more than a few percent of the pumps. A model of this mechanism has been developed that permits quantitative prediction of intensity crosstalk.

Citation Download Citation

J. Fukumoto, J. Brock, L. Frantz, and P. Fairchild "Measurements Of Intensity And Spatial Crosstalk In Degenerate Four-Wave Mixing (DFWM)", Proc. SPIE 0739, Phase Conjugation, Beam Combining, and Diagnostics, (22 April 1988); https://doi.org/10.1117/12.939703

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