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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 21, Iss. 2 — Feb. 1, 2003
  • pp: 496–

Optically Generated Electrical-Modulation Formats in Digital-Microwave Link Applications

P. Candelas, J. M. Fuster, J. Marti, and J. C. Roig

Journal of Lightwave Technology, Vol. 21, Issue 2, pp. 496- (2003)

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We investigate a novel technique to generate the transmission signal in digital-microwave link applications. This technique is based on a photonic device that achieves both electrical modulation (QAM, PSK, ASK) and harmonic upconversion of the microwave carrier. Simulation results are provided for a seventh-harmonic 38.5-GHz transmission of a 2.5-Gbps signal through a 1-km fiber span. The impact of fiber chromatic-dispersion on the link bandwidth is also analyzed.


P. Candelas, J. M. Fuster, J. Marti, and J. C. Roig, "Optically Generated Electrical-Modulation Formats in Digital-Microwave Link Applications," J. Lightwave Technol. 21, 496- (2003)

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  1. K. Noguchi, O. Mitomi and H. Miyazawa, "Millimeter-wave Ti:LiNbO3 optical modulators", J. Lightwave Technol., vol. 16, pp. 615-619, Apr. 1998.
  2. N. G. Walker and G. R. Walker, "Polarization control for coherent communications", J. Lightwave Technol., vol. 8, pp. 438-458, Mar. 1990.

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