Dither-free low-bias controller for deeply modulated Mach-Zehnder modulators

Abstract

Stable bias control of lithium niobate Mach-Zehnder modulator (MZM) is crucial for radio-over-fiber (ROF) links, since the bias drift causes deviation from the optimum operating point. In this paper, we propose and experimentally demonstrate a novel dither-free low-bias control technique, especially for deeply modulated, low-biased analog photonic links. In… (More)
DOI: 10.1007/s11107-015-0594-z

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