Lasers, Fiber Optics, and Communications

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

[+] Author Affiliations
Xin Wang

Chinese Academy of Sciences, Xi’an Institute of Optics and Precision Mechanics, No. 17, Xinxi Road, Xi’an 710119, China

Chinese Academy of Sciences, Institute of Semiconductors, No. 35, Tsinghua East Road, Beijing 100083, China

Wei Li, Ming Li, Ning Hua Zhu

Chinese Academy of Sciences, Institute of Semiconductors, No. 35, Tsinghua East Road, Beijing 100083, China

Opt. Eng. 55(10), 106118 (Oct 21, 2016). doi:10.1117/1.OE.55.10.106118
History: Received June 20, 2016; Accepted September 30, 2016
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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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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

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", Opt. Eng. 55(10), 106118 (Oct 21, 2016). ; http://dx.doi.org/10.1117/1.OE.55.10.106118


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