期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 23, 期 23, 页码 1775-1777出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2011.2169242
关键词
Microwave filters; microwave photonics; photonic signal processing; stimulated Brillouin scattering (SBS)
资金
- Australian Research Council
A new ultrawide continuously tunable single-passband microwave photonic filter with very high resolution, is presented. It is based on a stimulated Brillouin scattering technique using a phase modulated optical signal and a dual-sideband suppressed-carrier pump. Results are presented which demonstrate a 1- to 20-GHz measured tuning range, together with continuous tuning, extremely high resolution with a 3-dB bandwidth of only 20 MHz, a single passband, shape-invariant tuning, and a high out-of-band rejection of 31 dB.
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