Wideband Integrated Optical Delay Line Based on a Continuously Tunable Mach–Zehnder Interferometer


An integrated optical delay line is presented and experimentally demonstrated with a true-time delay continuously tuned up to 125 ps. The proposed device is based on a Mach–Zehnder interferometer with tuneable couplers, can be ideally operated with a single control signal, and achieves a bandwidth-delay product consistently larger than ring-based delay… (More)

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