【摘 要】
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A tunable frequency-multiplying optoelectronic oscillator (OEO) based on a dual-parallel Mach-Zehnder modulator(DPMZM) is proposed and experimentally demonstrat
【机 构】
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Key Lab of All Optical Network & Advanced Telecommunication Network of EMC,Institute of Lightwave Te
论文部分内容阅读
A tunable frequency-multiplying optoelectronic oscillator (OEO) based on a dual-parallel Mach-Zehnder modulator(DPMZM) is proposed and experimentally demonstrated.In the proposed system,the tunable fundamental microware signal is generated by a tunable optoelectronic oscillator incorporating a phase-shifted fiber Bragg grating (PS-FBG).By adjusting the DC bias of the DPMZM,the frequency-doubled microwave signal with a tunable frequency range from 11 GHz to 20 GHz and the frequency-quadrupled microwave signal with a tunable frequency range from 22.5 GHz to 26GHz are generated.The phase noises of the fundamental,frequency-doubled and frequency-quadrupled signals at 10 kHz offset frequency are-105.9 dBc/Hz,-103.3 dBc/Hz and-86.2 dBc/Hz,respectively.
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