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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 31, Iss. 6 — Jun. 1, 2014
  • pp: 1320–1325

Reconfigurable microwave photonic in-phase and quadrature detector for frequency agile radar

Hossein Emami and Niusha Sarkhosh  »View Author Affiliations

JOSA A, Vol. 31, Issue 6, pp. 1320-1325 (2014)

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A microwave photonic in-phase and quadrature detector is conceived and practically demonstrated. The detector has the ability to become electronically reconfigured to operate at any frequency over a wide range. This makes it an excellent candidate for frequency agile radars and other electronic warfare systems based on frequency hopping. The detector exhibits a very low amplitude and phase imbalance, which removes the need for any imbalance compensation technique. The system is designed based on the transversal filtering concept and reconfigurability is achieved via wavelength control in a dispersive fiber. The system operation was demonstrated over a frequency range of 3.5–35 GHz, with a maximum of 32dB amplitude imbalance.

© 2014 Optical Society of America

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:
Fiber Optics and Optical Communications

Original Manuscript: March 26, 2014
Manuscript Accepted: April 21, 2014
Published: May 23, 2014

Hossein Emami and Niusha Sarkhosh, "Reconfigurable microwave photonic in-phase and quadrature detector for frequency agile radar," J. Opt. Soc. Am. A 31, 1320-1325 (2014)

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