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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 24 — Nov. 21, 2011
  • pp: 24712–24717

Instantaneous microwave frequency measurement using optical carrier suppression based DC power monitoring

Songnian Fu, Ming Tang, and Perry Shum  »View Author Affiliations

Optics Express, Vol. 19, Issue 24, pp. 24712-24717 (2011)

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A novel photonic-assisted technique for instantaneous microwave frequency measurement is proposed using two cascaded Mach-Zehnder modulators (MZMs) biased at the transmission null point. Then, the microwave frequency can be estimated by monitoring direct current (DC) optical power. Moreover, the measurement range and the measurement resolution can be optimized by setting the time delay between optical and electrical link and optical dispersion, respectively. The approach is theoretically investigated and experimentally verified with a measurement range of 8 GHz and a measurement error of less than ± 0.15 GHz.

© 2011 OSA

OCIS Codes
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(350.4010) Other areas of optics : Microwaves
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: August 19, 2011
Revised Manuscript: October 7, 2011
Manuscript Accepted: October 16, 2011
Published: November 17, 2011

Songnian Fu, Ming Tang, and Perry Shum, "Instantaneous microwave frequency measurement using optical carrier suppression based DC power monitoring," Opt. Express 19, 24712-24717 (2011)

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