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Theoretical Analysis of the Intermodulation Performance of Mach-Zehnder Modulators with Difference Frequency Injection

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Abstract

Large signal analysis of Mach-Zehnder electro-optic modulators excited by three tone signals is presented. The special case of two equal-amplitude sinusoids plus a difference-frequency injection is considered in detail. The results show that even under large signal conditions it is possible, at least in theory, to totally eliminate the third-order intermodulation when the amplitudes of the equal-amplitudes input sinusoids and the difference-frequency injection are equal. This would be a promising technique for achieving highly linear Mach-Zehnder electro-optic modulators.

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Authors and Affiliations

  1. King Fahd University of Petroleum and Minerals, Box 203, Dhahran, 31261, Saudi Arabia

    Muhammad Taher Abuelma’atti

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  1. Muhammad Taher Abuelma’atti
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Correspondence to Muhammad Taher Abuelma’atti.

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Abuelma’atti, M.T. Theoretical Analysis of the Intermodulation Performance of Mach-Zehnder Modulators with Difference Frequency Injection. Int J Infrared Milli Waves 28, 831–838 (2007). https://doi.org/10.1007/s10762-007-9258-0

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  • DOI: https://doi.org/10.1007/s10762-007-9258-0

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