A Novel Broadband Photonic RF Phase Shifter

@article{Adams2008ANB,
  title={A Novel Broadband Photonic RF Phase Shifter},
  author={D. B. Adams and C. K. Madsen},
  journal={Journal of Lightwave Technology},
  year={2008},
  volume={26},
  pages={2712-2717}
}
A novel broadband photonic RF phase shifter is proposed that employs single-sideband modulation of the broadband RF signal onto an optical carrier. The phase of the carrier is shifted relative to the modulated signal using an optical allpass filter. Ring-resonator-based optical allpass filters are tuned across the carrier frequency to yield an RF phase shift of over 360 degrees. Results from a proof-of-concept experimental demonstration are presented for modulation frequencies in the range of 2… CONTINUE READING
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Boundless-range optical phase shifters and sideband reduction

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1 Excerpt

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