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A method for canceling dispersion-induced second harmonic by simultaneously modulating two optical wavelengths combined with balanced photodetection is demonstrated. The second harmonic is reduced by ~30 dB while the fundamental is increased by 6 dB.
In this paper, a complete analysis of an analog fiber-optic link employing a low-biased Mach-Zehnder modulator followed by optical amplification with an erbium-doped fiber amplifier is presented. The expressions for RF gain, RF noise figure, second- and third-order intercept points, and spurious-free dynamic range are derived. Experimental data are employed to support the analytical results, and the...
We have assembled and characterized a microwave frequency analog fiber link that offers shot-noise-limited performance at input powers above the stimulated Brillouin scattering threshold. The 20 km span of fiber consists of three pairs of alternating fibers, with each pair separated by isolators. The measured SBS threshold using the backscatter approach is 14 dBm; however, the measured relative intensity...
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