Photonics generation of frequency-shift keying radio-frequency signal using nonlinear polarization rotation in a highly nonlinear fiber

Xin Wang; Wei Li; Ming Li; Ning Hua Zhu

doi:10.1117/1.OE.55.10.106118

21 October 2016 Photonics generation of frequency-shift keying radio-frequency signal using nonlinear polarization rotation in a highly nonlinear fiber

Xin Wang, Wei Li, Ming Li, Ning Hua Zhu

Author Affiliations +

Funded by: Natural Science Foundation of China, National High-Tech Research Development Program of China (863 Program)

Optical Engineering, Vol. 55, Issue 10, 106118 (October 2016). https://doi.org/10.1117/1.OE.55.10.106118

Abstract

We experimentally demonstrate an all-optical approach for generating frequency-shift keying (FSK) radio-frequency (RF) signal based on nonlinear polarization rotation (NPR) in a highly nonlinear fiber (HNLF). A continuous wave probe beam is polarization-rotated by an optical amplitude-shift keying control beam via NPR in the HNLF. After removing the undesired control beam by a tunable optical filter, the polarization-rotated probe beam is converted to an intensity-modulated optical signal using a polarizer. By carefully adjusting the polarization controller before the polarizer and the optical power of the control beam, FSK RF signals are generated after photodetection.

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Xin Wang, Wei Li, Ming Li, and Ning Hua Zhu "Photonics generation of frequency-shift keying radio-frequency signal using nonlinear polarization rotation in a highly nonlinear fiber," Optical Engineering 55(10), 106118 (21 October 2016). https://doi.org/10.1117/1.OE.55.10.106118

Published: 21 October 2016

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