Special Section on Microwave Photonics: Deep Interactions between Microwaves and Lightwaves

Photonic generation of frequency-quadrupling millimeter-wave signals using polarization property

[+] Author Affiliations
Min Zhu, Xianfeng Tang, Lixia Xi, Wenbo Zhang, Xiaoguang Zhang

Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, No. 10 Xitucheng Road, Haidian District, Beijing 100876, China

Opt. Eng. 55(3), 031106 (Oct 06, 2015). doi:10.1117/1.OE.55.3.031106
History: Received July 24, 2015; Accepted August 31, 2015
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Abstract.  We propose and analyze a photonic method of generating frequency-quadrupling millimeter-wave signal. This scheme is realized by using a single LiNbO3 intensity modulator (IM) and a Faraday mirror based transverse-electrical and transverse-magnetic mode converter in a Sagnac loop without using an optical filter or an electrical microwave phase shifter. Making use of the intrinsic polarization dependence and the velocity phenomenon of the IM, a special double sideband modulation is implemented, which ensures that the optical carrier can be effectively cancelled employing polarization manipulation. A linear polarizer is used as the polarization selection element to choose the second-order sidebands from the modulated light. After beating at the photodiode, a frequency-quadrupled millimeter-wave signal with >30dB radio frequency spurious suppression ratio is generated. The imperfection of the devices is considered when estimating the system performance.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Min Zhu ; Xianfeng Tang ; Lixia Xi ; Wenbo Zhang and Xiaoguang Zhang
"Photonic generation of frequency-quadrupling millimeter-wave signals using polarization property", Opt. Eng. 55(3), 031106 (Oct 06, 2015). ; http://dx.doi.org/10.1117/1.OE.55.3.031106


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