A new technique to generate a millimeter(mm)-wave carrier of 32.57 GHz(f_(LO)=10.85 GHz) with single sideband modulation(SSB) for radio-over-fiber(RoF) systems is experimentally demonstrated by using stimula...A new technique to generate a millimeter(mm)-wave carrier of 32.57 GHz(f_(LO)=10.85 GHz) with single sideband modulation(SSB) for radio-over-fiber(RoF) systems is experimentally demonstrated by using stimulated Brillouin scattering(SBS).The SSB is realized by directly amplifying the +3rd sideband of the modulated optical carrier in the process of SBS.The pump wave is provided through a double Brillouin scattering frequency shifting configuration.The use of the same laser source to generate the pump wave ensures the stability of the mm-wave generation system since the relative frequency shift between them can be eliminated.In addition, the mm-wave carrier obtains an RF power gain of 21 dB with the SBS amplification and a 3-dB bandwidth of 10kHz.展开更多
基金Project supported by the Meteorology Industry Research Project of China(Nos.GYHY200806033,GYHY201006045)the National Natural Science Foundation of China(Nos.61021003,61090391,60837001,60820106004)+1 种基金the National Basic Research Program of China (No.2009AA03Z409)the Open Fund of Key Laboratory of Information Photonics and Optical Communications(Beijing University of Posts and Telecommunications),Ministry of Education
文摘A new technique to generate a millimeter(mm)-wave carrier of 32.57 GHz(f_(LO)=10.85 GHz) with single sideband modulation(SSB) for radio-over-fiber(RoF) systems is experimentally demonstrated by using stimulated Brillouin scattering(SBS).The SSB is realized by directly amplifying the +3rd sideband of the modulated optical carrier in the process of SBS.The pump wave is provided through a double Brillouin scattering frequency shifting configuration.The use of the same laser source to generate the pump wave ensures the stability of the mm-wave generation system since the relative frequency shift between them can be eliminated.In addition, the mm-wave carrier obtains an RF power gain of 21 dB with the SBS amplification and a 3-dB bandwidth of 10kHz.