Photonics Research, 2014, 2 (4): 040000B1, Published Online: Sep. 15, 2014
Simple photonic-assisted radio frequency down-converter based on optoelectronic oscillator Download: 1155次
Abstract
A photonic-assisted radio frequency (RF) down-converter integrating with the optoelectronic oscillator (OEO)-based high quality local oscillator (LO) has been proposed and experimentally demonstrated. The LO and the RF input signal are mixed at the same phase modulator and photo-detector (PD) of the OEO-loop without any additional modulator or PD. The working bandwidth of the proposed RF down-converter is nearly from 2.5 to 10 GHz. The performance of the proposed down-converter is presented and the spurious frequency dynamic range at frequency of 5.5 GHz with the LO at 6.138 GHz is measured to be 98.4 dB–Hz2∕3. The influences that the frequency range and power of the RF input signal bring to the system are discussed as well.
Hongchen Yu, Minghua Chen, Hongbiao Gao, Cheng Lei, Heng Zhang, Sigang Yang, Hongwei Chen, Shizhong Xie. Simple photonic-assisted radio frequency down-converter based on optoelectronic oscillator[J]. Photonics Research, 2014, 2(4): 040000B1.