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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 17 — Aug. 16, 2010
  • pp: 17859–17864

Electrically tunable photonic true-time-delay line

Yuri O. Barmenkov, José Luis Cruz, Antonio Díez, and Miguel V. Andrés  »View Author Affiliations


Optics Express, Vol. 18, Issue 17, pp. 17859-17864 (2010)
http://dx.doi.org/10.1364/OE.18.017859


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Abstract

We present a new application of the acousto-optic superlattice modulation of a fiber Bragg grating based on the dynamic phase and group delay properties of this fiber-optic component. We demonstrate a tunable photonic true-time-delay line based on the group delay change of the light reflected from the grating sidebands. The delay is electrically tuned by adjusting the voltage applied to a piezoelectric transducer that generates the acoustic wave propagating along the grating. In our experiments, a true-time delay of 400 ps is continuously adjusted (300 ps within the 3 dB amplitude range of the first sideband), using a 12 cm long uniform grating.

© 2010 OSA

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.4080) Fiber optics and optical communications : Modulation
(230.1040) Optical devices : Acousto-optical devices
(350.4010) Other areas of optics : Microwaves
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 18, 2010
Revised Manuscript: July 8, 2010
Manuscript Accepted: July 8, 2010
Published: August 4, 2010

Citation
Yuri O. Barmenkov, José Luis Cruz, Antonio Díez, and Miguel V. Andrés, "Electrically tunable photonic true-time-delay line," Opt. Express 18, 17859-17864 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-17-17859


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