Multitap coherence-free photonic RF filter employing semiconductor optical amplifier

Rong Zheng*, Kamal Alameh, Yong Tak Lee, Zhenglin Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


A novel multitap coherence-free photonic bandpass RF filter utilizing the cross-gain modulation property of the semiconductor optical amplifier to convert a coherent RF-modulated laser carrier to a low-coherence light that is sliced and delayed to realize a stable transversal RF filter. An 8-tap photonic RF bandpass filter operating at 2.25 GHz with more than 15 dB rejection is experimentally demonstrated.

Original languageEnglish
Pages (from-to)1103-1106
Number of pages4
JournalMicrowave and Optical Technology Letters
Issue number5
Publication statusPublished - 1 May 2007
Externally publishedYes


  • Photonic RF filter
  • Semiconductor optical amplifier
  • Wavelength conversion


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