Papers by Francisco Ramos
IEEE Photonics Technology Letters, 2001
A novel approach to reduce the dispersion-induced effects in microwave optical links based on the... more A novel approach to reduce the dispersion-induced effects in microwave optical links based on the interplay of intensity dependent phase modulation in semiconductor optical amplifiers (SOAs) and fiber chromatic dispersion has been proposed and experimentally demonstrated. The results show that the dispersion-induced radio-frequency carrier suppression ratio may be alleviated by more than 20 dB when the SOA is operated under saturation. Moreover, we have noticed that the SOA input power must be carefully controlled in order to avoid significant nonlinear distortion.
IEEE Photonics Technology Letters, 2000
IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 12, NO. 5, MAY 2000 ... Nonlinear Single-Mode Optical Fib... more IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 12, NO. 5, MAY 2000 ... Nonlinear Single-Mode Optical Fibers in Microwave ... Francisco Ramos, Student Member, IEEE, and Javier Martí, Member, IEEE ... AbstractA closed expression of the frequency transfer func-tion ...
IEEE/OSA Journal of Lightwave Technology, 2006
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Papers by Francisco Ramos