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The potential of coupled resonator optical waveguides (CROWs) as integrated reconfigurable delay lines has been recently demonstrated in a glass-based device by continuously controlling the delay of optical data streams over several bit lengths. Although the exploitation of a medium index contrast glass waveguide leads to low insertion losses, allowing large absolute delays, it poses a hard limit...
An integrated device capable of dynamically controlling the differential delay between two orthogonally polarized data channels is presented. The polarization-selective delay is induced by exploiting waveguide birefringence in a ring-resonator coupled resonator optical waveguide. A prototype realized in silicon-oxynitride technology is employed to manage the differential delay between two polarization-division-multiplexed...
Continuously tunable relative delay between orthogonally polarized data-streams is demonstrated in an integrated ring-resonator CROW. System performance and applications to polarization-division multiplexing transmission systems are discussed.
Coupled resonator optical waveguides (CROWs) are widely considered promising building blocks for the on-chip processing of wideband data-streams. The performances of these structures are much sensitive to disorder effects, affecting both losses and the maximum achievable slowing ratio. To date, how and how much disorder influences the slow-wave propagation regime is still an open issue. In this contribution,...
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