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

Authors
  • Xiao, Yongchuan
  • Guo, Jing
  • Wu, Kui
  • Dong, Wei
  • Qu, Pengfei
  • Zhang, Xindong
  • Ruan, Shengping
  • Chen, Weiyou
Type
Published Article
Journal
Optics Express
Publisher
The Optical Society
Publication Date
Dec 30, 2013
Volume
21
Issue
26
Pages
31740–31750
Identifiers
DOI: 10.1364/OE.21.031740
PMID: 24514770
Source
Medline
License
Unknown

Abstract

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.

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