Dual-Wavelength Linearization of Optically Phase-Modulated Analog Microwave Signals

@article{Haas2008DualWavelengthLO,
  title={Dual-Wavelength Linearization of Optically Phase-Modulated Analog Microwave Signals},
  author={Bryan M. Haas and Vincent J. Urick and J. Bates McKinney and Timothy E. Murphy},
  journal={Journal of Lightwave Technology},
  year={2008},
  volume={26},
  pages={2748-2753}
}
We demonstrate a new technique for improving the linearity of a microwave photonic signal transmission link. The method employs a single conventional lithium-niobate phase modulator at the transmitter, with two different C-band optical wavelengths that are polarized along orthogonal axes of the modulator. The spurious-free dynamic range is shown to improve by 15 dB compared to a single-wavelength unlinearized system. Unlike earlier schemes that require continuous control and adjustment at the… CONTINUE READING

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