Dual-Wavelength Ring Cavity Erbium-Doped Fiber Laser with Multi-Output Port Based on Polarization Beam Splitting
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Abstract:
A dual-wavelength ring-cavity erbium-doped fiber (EDF) laser is designed based on two polarization beam splitters (PBSs) and a polarization controller (PC) performing gain equalization and Polarization Hole Burning (PHB) effect. At room temperature, a stable dual-wavelength laser and a multi-output port laser which can simultaneously emits single-wavelength lasing and dual-wavelength lasing are obtained. The SNRs for single-wavelength outputs were 54.70 dB and 57.10 dB, with power fluctuations of ≤0.038 mW and ≤0.029 mW, respectively. For dual-wavelength lasing, the SNRs were 59.63 dB and 59.25 dB, with power fluctuations of ≤0.018 mW and ≤0.008 mW, respectively. The center wavelength drift was ≤0.006 nm for both single-wavelength and dual-wavelength outputs.
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