Lasers, Fiber Optics, and Communications

Frequency-doubling optoelectronic oscillator based on destructive interference

[+] Author Affiliations
Jun Jiang, Fushen Chen, Mengqiu Fan, Chengxin Li, Qimeng Dong

University of Electronic Science and Technology of China, Key Laboratory of Optical Fiber Sensing and Communication Ministry of Education, School of Communication and Information Engineering, Qingshuihe Campus No. 2006, Xiyuan Avenue, West Hi-Tech Zone, Chengdu 611731, China

Opt. Eng. 54(12), 126104 (Dec 09, 2015). doi:10.1117/1.OE.54.12.126104
History: Received August 31, 2015; Accepted November 9, 2015
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Abstract.  A frequency-doubling optoelectronic oscillator (OEO) using two cascaded modulators based on destructive interference is proposed and experimentally demonstrated. In the proposed system, we utilize a cascaded modulator including a phase modulator and an intensity modulator, which implements a carrier-suppressed double-sideband modulation based on destructive interference to generate a frequency-doubled microwave signal. Meanwhile, the phase modulator is connected by a chirp fiber Bragg grating in the loop, which forms a microwave photonic filter to select the fundamental frequency signal in the OEO loop. As a result, a frequency-doubled microwave signal at 17.9 and 20.5 GHz is generated, respectively. The phase noises and the long-term stability of the generated microwave signals are also investigated.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Jun Jiang ; Fushen Chen ; Mengqiu Fan ; Chengxin Li and Qimeng Dong
"Frequency-doubling optoelectronic oscillator based on destructive interference", Opt. Eng. 54(12), 126104 (Dec 09, 2015). ; http://dx.doi.org/10.1117/1.OE.54.12.126104


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