We demonstrate a high-order photonic differentiator using on-chip CMOS-compatible Mach-Zehnder interferometers, including first-, second-, and third-order differentiators. For Gaussian optical pulse injection, the average deviations of all differentiators are less than 6.5%.
© 2013 OSA
J. Dong, A. Zheng, D. Gao, L. Lei, and X. Zhang, "High-order Photonic Differentiator using On-chip Cascaded Mach-Zehnder Interferometers," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper OW3D.6.
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