Impact of higher order dispersion on Photonically assisted optical millimeter-wave generated using dual parallel electro-optic modulators

Abstract In this work, Author investigated the impact of higher order fiber dispersion terms upto third order (3OD) on optical mm-wave generated using two parallel Mach Zehnder Modulators (MZMs). Individual and combined effect of the second order- (2OD) and third order-(3OD) is studied theoretically and experimentally. Expression of fiber dispersion for proposed model is derived using the method of expansion of Bessel function & Taylor series theory. Effect of RF-driven voltage applied to MZM is discussed and analyzed for Optical Sideband Suppression Ratio (OSSR) and Radio Frequency Spurious Suppression Ratio (RFSSR). The Q-factor, Bit Error Rate (BER) and Eye pattern are investigated for ITU's G.655 fiber. Experimental and simulation analysis verified the theoretical analysis.

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