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Continuously tunable photonic microwave true-time delay based on tunable chirped fibre Bragg grating

Continuously tunable photonic microwave true-time delay based on tunable chirped fibre Bragg grating

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© The Institution of Engineering and Technology
Published

A simple scheme for the photonic microwave true-time delay with high tunability based on a tunable chirped fibre Bragg grating without centre wavelength shift is experimentally demonstrated. A large dynamic range of true-time delay from 20 to 200 ps was achieved for a microwave signal carried over an optical signal.

Inspec keywords: optical tuning; beam steering; Bragg gratings; optical delay lines; optical fibres; microwave photonics

Other keywords: 20 to 200 ps; beam steering; tunable chirped fibre Bragg grating; optical beamforming networks; continuously tunable photonic microwave true-time delay; microwave signal; optical signal

Subjects: Microwave photonics; Fibre optics; Other fibre optical devices and techniques; Gratings, echelles

References

    1. 1)
      • J. Yao , J. Yang , Y. Liu . Continuous true-time-delay beamforming employing a multiwavelength tunable fiber laser source. IEEE Photonics Technol. Lett. , 8 , 1172 - 1174
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    3. 3)
      • K. Ennser , M.N. Zervas , R.I. Laming . Optimization of apodized linearly chirped fiber gratings for optical communications. IEEE J. Quantum Electron. , 5 , 770 - 778
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    6. 6)
      • Y.G. Han , S.B. Lee . Tunable dispersion compensator based on uniform fiber Bragg grating and its application to tunable pulse repetition-rate multiplication. Opt. Express , 23 , 9224 - 9229
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