A Widely and Continuously Tunable Frequency Doubling Optoelectronic Oscillator

We report a widely and continuously tunable frequency doubling optoelectronic oscillator (FD-OEO) based on a polarization modulator. The proposed approach is theoretically analyzed and experimentally verified. In a proof-of-concept experiment, the FD-OEO is continuously tuned from 8.8 to 37.6 GHz by...

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Bibliographic Details
Published in:IEEE photonics technology letters 2015-07, Vol.27 (13), p.1461-1464
Main Authors: Li, Wei, Liu, Jian Guo, Zhu, Ning Hua
Format: Article
Language:English
Subjects:
Bandwidth
Frequency doubling
frequency doubling optoelectronic oscillator (OEO)
Frequency modulation
Microwaves
Modulators
Noise
Optical fibers
Optical harmonic generation
Optical modulation
Optical polarization
Optoelectronics
Oscillators
Phase noise
Polarization
polarization modulator
Single sideband
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Summary:We report a widely and continuously tunable frequency doubling optoelectronic oscillator (FD-OEO) based on a polarization modulator. The proposed approach is theoretically analyzed and experimentally verified. In a proof-of-concept experiment, the FD-OEO is continuously tuned from 8.8 to 37.6 GHz by adjusting the bandwidth of an optical bandpass filter inside the OEO loop. The phase noise performance of the generated microwave signals is also studied. The single sideband phase noise of the frequency doubled tone is below -103 dBc/Hz at an offset of 10 kHz.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2015.2425912