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Wideband continuously tunable integrated delay line based on cascaded Mach-Zehnder
2018
2018 Photonics in Switching and Computing (PSC)
A novel architecture based on cascaded Mach-Zehnder interferometer and equipped with tunable couplers is proposed for the realization of the tunable integrated optical delay line. We demonstrate that the delay line based on two cascaded Mach-Zehnder interferometer has the consistently larger bandwidth and bandwidth-delay product compared to a single stage. The presented device can be ideally operated with a single control signal and is experimentally demonstrated with true-time delay continuously tunable from zero to 124 ps.
doi:10.1109/ps.2018.8751342
dblp:conf/ps/WaqasMM18
fatcat:2pkw6nnvrzhpbblc3qb7ytm54a