An Optical Millimeter-Wave Generation Technique Based on Phase Modulation and Brillouin-Assisted Notch-Filtering
作者： Bin Chen , Shilie Zheng , Hao Chi , Xianmin Zhang , Xiaofeng Jin
关键词: Phase (waves) 、 Optics 、 Stimulated emission 、 Signal 、 Phase modulation 、 Optical Carrier transmission rates 、 Radio over fiber 、 Brillouin scattering 、 Nonlinear optics 、 Optoelectronics 、 Materials science
摘要: A novel approach to generate continuously tunable microwave and millimeter-wave (mm-wave) signals is proposed experimentally demonstrated based on an optical phase modulator a Brillouin-assisted notch-filtering technique. The strong carrier of the modulated signal deeply suppressed by using stimulated Brillouin scattering (SBS) in dispersion-shifted-fiber ring while sidebands keep unchanged. Therefore, only even-order electrical harmonics exist at output photodetector. As this SBS-assisted carrier-filter narrow bandwidth wavelength-independent, wavelength-flexible way generation mm-wave can be successfully realized.
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