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Optics Letters

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  • Vol. 36, Iss. 17 — Sep. 1, 2011
  • pp: 3518–3520

Tunable chirped microwave photonic filter employing a dispersive Mach–Zehnder structure

Xiaoxiao Xue, Xiaoping Zheng, Hanyi Zhang, and Bingkun Zhou  »View Author Affiliations


Optics Letters, Vol. 36, Issue 17, pp. 3518-3520 (2011)
http://dx.doi.org/10.1364/OL.36.003518


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Abstract

A Mach–Zehnder structure with modulation in one arm and dispersive time delay in the other is proposed to implement highly flexible single-bandpass chirped microwave photonic filters based on broadband optical sources. Both the amplitude response and the time delay slope can be fully reconfigured via control of the optical spectra and dispersion. The passband can also be widely tuned without changing the shape. A chirped filter with a bandwidth of 4 GHz , a delay slope of 0.6 ns / GHz , and a tunability up to 40 GHz is demonstrated experimentally.

© 2011 Optical Society of America

OCIS Codes
(070.2615) Fourier optics and signal processing : Frequency filtering
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 14, 2011
Revised Manuscript: August 4, 2011
Manuscript Accepted: August 10, 2011
Published: September 1, 2011

Citation
Xiaoxiao Xue, Xiaoping Zheng, Hanyi Zhang, and Bingkun Zhou, "Tunable chirped microwave photonic filter employing a dispersive Mach–Zehnder structure," Opt. Lett. 36, 3518-3520 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-17-3518


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