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Optical Engineering

Photonic generation of frequency-quadrupling millimeter-wave signals using polarization property
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Paper 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 <30  dB radio frequency spurious suppression ratio is generated. The imperfection of the devices is considered when estimating the system performance.

Paper Details

Date Published: 6 October 2015
PDF: 7 pages
Opt. Eng. 55(3) 031106 doi: 10.1117/1.OE.55.3.031106
Published in: Optical Engineering Volume 55, Issue 3
Show Author Affiliations
Min Zhu, Beijing Univ. of Posts and Telecommunications (China)
Xianfeng Tang, Beijing Univ. of Posts and Telecommunications (China)
Lixia Xi, Beijing Univ. of Posts and Telecommunications (China)
Wenbo Zhang, Beijing Univ. of Posts and Telecommunications (China)
Xiaoguang Zhang, Beijing Univ. of Posts and Telecommunications (China)

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