Abstract
Abstract A scheme of generating optical frequency combs (OFC) utilizing a single dual parallel Mach–Zehnder modulator (DPMZM) is detailedly investigated. Both the theoretical analysis and experimental results show that the generator is power efficient. Gaussian-shaped OFC and flat OFC with a tunable spacing, flexible line-number and high side mode suppression ratio (SMSR) are experimentally generated with relatively lower RF power.
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