Frontiers of Optoelectronics

, Volume 10, Issue 2, pp 180–188 | Cite as

Theoretical demonstration of all-optical switchable and tunable UWB doublet pulse train generator utilizing SOA wavelength conversion and tunable time delay

Research Article
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Abstract

An all-optical ultrawide band (UWB) doublet pulse train signal generator is proposed and theoretically simulated by utilizing an inverse wavelength conversion base on the cross-gain modulation (XGM) effect in a semiconductor optical amplifier (SOA) and controllable time delay in two optical delay lines (ODLs). The proposed scheme is not only optically switchable in the polarity of pulse by switching the polarity of input pulse but also tunable in signal pulse width and radiofrequency (RF) spectrum by tuning the ODLs.

Keywords

microwave photonics ultrawide band (UWB) tunable switchable semiconductor optical amplifier (SOA) tunable time delay 

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Notes

Acknowledgments

This work was supported by the National Natural Science Foundation of China (Grant Nos. 61501088, 61307088, 61505020, and 61675040), the Joint Funds of the National Natural Science Foundation of China (Grant No. U1633129), the Science and Technology Planning Project of Sichuan Province (No. MZ2016036), and the Fundamental Research Funds for the Central Universities (Nos. ZYGX2016J003, ZYGX2016J005, and ZYGX2016J009).

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Copyright information

© Higher Education Press and Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.School of Communication and Information EngineeringUniversity of Electronic Science and Technology of ChinaChengduChina

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