All-optical wavelength conversion based on a nonlinear optical loop mirror (NOLM) at 40 Gb/s is demonstrated for the first time. The effect of walkoff time between control beam and signal beams is investigated when the NOLM is used as an all-optical wavelength converter or an all-optical demultiplexer.
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Yu, J., Zheng, X., Peucheret, C., Clausen, A., Poulsen, H. N., & Jeppesen, P. (2000). 40-Gb/s all-optical wavelength conversion based on a nonlinear optical loop mirror. Journal of Lightwave Technology, 18(7), 1001-1006. https://doi.org/10.1109/50.850746