Multiple microwave frequencies measurement based on stimulated Brillouin scattering with improved measurement range

We numerically investigate the operational principle and performance of stimulated Brillouin scattering based multiple microwave frequency signals measurement. The unknown signals are processed specially to generate a gain region which is measured by phase modulation to amplitude modulation converti...

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Bibliographic Details
Published in:Optics express 2013-12, Vol.21 (26), p.31740-31750
Main Authors: Xiao, Yongchuan, Guo, Jing, Wu, Kui, Dong, Wei, Qu, Pengfei, Zhang, Xindong, Ruan, Shengping, Chen, Weiyou
Format: Article
Language:English
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Summary:We numerically investigate the operational principle and performance of stimulated Brillouin scattering based multiple microwave frequency signals measurement. The unknown signals are processed specially to generate a gain region which is measured by phase modulation to amplitude modulation converting. By sweeping the vector network analyzer, both single and multiple frequencies measurement can be achieved. The loss spectrum generated by one of the pumps is fully compensated by the gain spectrum of the other pump, which increases the measurement range from 2νB to 4νB.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.21.031740