Widely tunable single bandpass microwave photonic filter based on dual‐fiber stimulated Brillouin scattering. Issue 4 (2nd January 2019)

• Record Type: Journal Article
• Authors: Yan, Juanjuan; Li, Liwei; Yi, Xiaoke; Chew, Suen X.
• Is Part Of: Microwave and optical technology letters. Volume 61:Issue 4(2019:Apr.)
• Page Start: 954
• Page End: 958
• Publication Date: 2019-01-02
• Subjects: Brillouin frequency shift -- carrier suppressed single‐sideband modulation -- fiber -- microwave photonic filter -- stimulated Brillouin scattering; Microwaves -- Periodicals; Optics -- Periodicals; 621
• DOI: 10.1002/mop.31655
• Languages: English
• ISSNs: 0895-2477

Abstract

Abstract: A new technique to achieve a single bandpass microwave photonic filter (MPF) with wide tunability based on stimulated Brillouin scattering is proposed. The MPF cascades the Brillouin frequency shifter and amplification based on a dual‐fiber structure. The experimental results present a single bandpass MPF located at 21.4 GHz with a 3‐dB bandwidth of 38 MHz and an out‐of‐band rejection ratio over 30 dB. The proposed single bandpass MPF also successfully demonstrates a wide‐band tuning over 40 GHz, which is achieved by employing a frequency shifter based on carrier suppressed single‐sideband modulation scheme in the structure.