28 October 2009 Optical generation of microwave signal using FBG-based double-ring fiber laser assisted by saturable absorber
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Abstract
We propose and demonstrate a simple approach to optical generation of microwave signal by exploiting a uniform fiber Bragg gating (FBG) based double-ring laser and a saturable absorber. Parallel arranged uniform FBGs have a wavelength spacing corresponding to the microwave signal. A piece of unpumped polarization-maintaining erbiumdoped fiber (PM-EDF) serves as a saturable absorber, ensuring the dual-wavelength single longitudinal mode operation. Stable dual-wavelength single longitudinal mode lasers are obtained in the experiment. A microwave signal at 28.38 GHz is successfully generated by beating the dual-wavelength single longitudinal mode lasers.
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Qizhen Sun, Qizhen Sun, Jian Wang, Jian Wang, Deming Liu, Deming Liu, Ping Shum, Ping Shum, } "Optical generation of microwave signal using FBG-based double-ring fiber laser assisted by saturable absorber", Proc. SPIE 7514, Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors, 75140R (28 October 2009); doi: 10.1117/12.843757; https://doi.org/10.1117/12.843757
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