A. Almaiman, Y. Cao, A. Mohajerin-Ariaei, F. Alishahi, A. Fallahpour, D. Starodubov, K. Zou, P. Liao, C. Bao, S. Zach, N. Cohen, M. Tur, A. Willner
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Fine and Coarse Tunability over a Continuous 8.1-ns Delay Range with Access to Multiple Possible Delays using a Frequency Comb
A continuous delay range of 8.1 ns is achieved with simultaneous access to four different delays. Our system's penalty is ∼2 dB for a 10 Gbaud QPSK signal. We also add a HNLF to convert one of the delays to the original wavelength, adding ∼ 0.3 dB penalty.