Tunable fractional-order photonic differentiator using a distributed feedback semiconductor optical amplifier

Shuqian Sun; Ye Deng; Ninghua Zhu; Ming Li

doi:10.1117/1.OE.55.3.031105

28 September 2015 Tunable fractional-order photonic differentiator using a distributed feedback semiconductor optical amplifier

Shuqian Sun, Ye Deng, Ninghua Zhu, Ming Li

Author Affiliations +

Optical Engineering, Vol. 55, Issue 3, 031105 (September 2015). https://doi.org/10.1117/1.OE.55.3.031105

Abstract

We propose a tunable fractional-order photonic differentiator based on a distributed feedback semiconductor optical amplifier (SOA) working in reflection mode. The phase shift at the resonant wavelength can be adjusted by controlling the current injected into the DFB-SOA, which can implement the fractional-order differentiation. A 60 ps Gaussian pulse is temporally differentiated with a tunable order range from 0.7 to 1.3.

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Shuqian Sun, Ye Deng, Ninghua Zhu, and Ming Li "Tunable fractional-order photonic differentiator using a distributed feedback semiconductor optical amplifier," Optical Engineering 55(3), 031105 (28 September 2015). https://doi.org/10.1117/1.OE.55.3.031105

Published: 28 September 2015

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