2 January 2018 Integrated Kerr comb-based reconfigurable transversal differentiator for microwave photonic signal processing
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Abstract
An arbitrary-order intensity differentiator for high-order microwave signal differentiation is proposed and experimentally demonstrated on a versatile transversal microwave photonic signal processing platform based on integrated Kerr combs. With a CMOS-compatible nonlinear micro-ring resonator, high quality Kerr combs with broad bandwidth and large frequency spacings are generated, enabling a larger number of taps and an increased Nyquist zone. By programming and shaping individual comb lines’ power, calculated tap weights are realized, thus achieving a versatile microwave photonic signal processing platform. Arbitrary-order intensity differentiation is demonstrated on the platform. The RF responses are experimentally characterized, and systems demonstrations for Gaussian input signals are also performed.
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Xingyuan Xu, Xingyuan Xu, Jiayang Wu, Jiayang Wu, Mehrdad Shoeiby, Mehrdad Shoeiby, Thach G. Nguyen, Thach G. Nguyen, Sai T. Chu, Sai T. Chu, Brent E. Little, Brent E. Little, Roberto Morandotti, Roberto Morandotti, Arnan Mitchell, Arnan Mitchell, David J. Moss , David J. Moss , } "Integrated Kerr comb-based reconfigurable transversal differentiator for microwave photonic signal processing", Proc. SPIE 10456, Nanophotonics Australasia 2017, 104560A (2 January 2018); doi: 10.1117/12.2282642; https://doi.org/10.1117/12.2282642
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