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Shao, Y., Chi, N., Hou, C., Fang, W., Zhang, J., Huang, B., Li, X., Zou, S., Liu, X., Zheng, X. and Zhang, N. (2010) A Novel Return-to-Zero FSK Format for 40-Gb/s Transmission System Applications. Journal of Lightwave Technology, 28, 1770-1782. http://dx.doi.org/10.1109/JLT.2010.2048413

has been cited by the following article:

• TITLE: Study on 4PAM Radio over Fiber System Using Self-Mixing Technique

  AUTHORS: Luo Chen, Yufeng Shao, Fuping Chen, Shilu Shen

  KEYWORDS: Optical Communication, 4PAM, RoF, Self-Mixing

  JOURNAL NAME: Optics and Photonics Journal, Vol.6 No.8B, August 25, 2016

  ABSTRACT: In this paper, a simplified optical millimeter-wave generated by two optical sidebands beating together in a 60 GHz radio over fiber (RoF) system with 10 Gbit/s 4-pulse amplitude modulation (4 PAM) transmission signal is proposed and simulated. 10 Gbit/s electrical 4 PAM signals modulated are conveyed over the length of 40 km standard single mode fiber (SMF) and recovered via the self-mixing technique after detecting directly at the receiver. Graphs of time-domain wave, frequency-domain and optical spectrum are measured out in different period, and the comparison of error vector magnitude curves of NRZ and 4 PAM signals under the different length of fiber is accomplished. The capacity of 4 PAM modulation is higher, though NRZ performs better than 4 PAM selected in RoF system within 80 km of fiber length as shown in the simulation results.