Electrically tunable photonic true-time-delay line
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Electrically tunable photonic true-time-delay line

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Electrically tunable photonic true-time-delay line

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Barmenkov, Yuri O.; Cruz Muñoz, José Luis; Díez Cremades, Antonio; Andrés, Miguel V. Perfil
This document is a artículoDate2010
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 truetime 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.

    Barmenkov, Yuri O. Cruz Muñoz, José Luis Díez Cremades, Antonio Andrés, Miguel V. 2010 Electrically tunable photonic true-time-delay line Optics Express 18 17 17859 17864
https://doi.org/10.1364/OE.18.017859

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