Ring Resonator Arrays for Pulse Repetition Rate Multiplication and Shaping

Using numerical simulations, we demonstrate the use of ring resonator arrays (RRAs) for pulse repetition rate multiplication (PRRM) and arbitrary envelope shaping to generate a pair of output pulse trains with arbitrary binary code profiles simultaneously from a single input pulse train. We investigate three configurations of RRAs: MtimesN, 1timesN, and Mtimes1. All can perform PRRM and generate two pulse trains with the required binary code profiles simultaneously; however, the two-dimensional (MtimesN) configuration suffers less waveguide loss. We also show that a nonlinear optical loop mirror can be used to remove the pulse-to-pulse phase variations in the output pulse trains

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