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Optical Engineering

Tunable fractional-order photonic differentiator using a distributed feedback semiconductor optical amplifier
Author(s): Shuqian Sun; Ye Deng; Ninghua Zhu; Ming Li
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Paper 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.

Paper Details

Date Published: 28 September 2015
PDF: 5 pages
Opt. Eng. 55(3) 031105 doi: 10.1117/1.OE.55.3.031105
Published in: Optical Engineering Volume 55, Issue 3
Show Author Affiliations
Shuqian Sun, Institute of Semiconductors (China)
Ye Deng, Institute of Semiconductors (China)
Ninghua Zhu, Institute of Semiconductors (China)
Ming Li, Institute of Semiconductors (China)

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