Photonic frequency-quadrupling scheme for millimeter-wave generation by employing feed-forward modulation technique.

We theoretically analysis and numerically verify a frequency-quadrupling scheme which is capable of generating millimeter-wave (mm-wave) signals. The scheme is based on dual wavelength feed-forward modulation technique, which circumvents the need for direct modulation at mm-wave frequency band, providing potential for two-tone optical sources. The analytical models for transmission through a dispersive medium are confirmed by numerical simulations. Results of this study demonstrate that such a scheme offer realistic solutions to support future wireless systems.