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. 2015 Sep 18;5:14216. doi: 10.1038/srep14216

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(a) Power spectra of the input Gaussian pulse, output differentiated signal, and ideal differentiated signal with the differentiation order n = 0.4. (b) Phase response of the microring-based differentiator and . (c) Outputs of the microring-based differentiator and the time-reversed ideal differentiator with n = 0.4.

Inline graphic — (a) Power spectra of the input Gaussian pulse, output differentiated signal, and ideal differentiated signal with the differentiation order n = 0.4. (b) Phase response of the microring-based differentiator and . (c) Outputs of the microring-based differentiator and the time-reversed ideal differentiator with n = 0.4.