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A self mode-locking (SML) ring cavity laser system with the Yb-doped fiber (YDF) was demonstrated. When the gain fiber was disturbed, the phenomenon of SML was observed. The system can produce the laser pulse width which is smaller than 1 ns without any modulation process such as polarization controller and dispersion compensation.
We propose and demonstrate a direct method to observe higher-order whispering-gallery modes in vertical cavity surface emitting lasers (VCSELs) at room temperature by embedding a defect-free a surface micro-structure. Up to the 23rd azimuthal order whispering-gallery mode confined laterally by the native oxide layers is observed in experiments and identified by the spectrum in experiments as well...
We propose and demonstrate a direct method to observe higher-order whispering-gallery modes in vertical cavity surface emitting lasers (VCSELs) at room temperature by embedding a defect-free a surface micro-structure. Up to the 23rd azimuthal order whispering-gallery mode confined laterally by the native oxide layers is observed in experiments and identified by the spectrum in experiments as well...
We propose and demonstrate a direct method to observe higher-order whispering-gallery modes in vertical cavity surface emitting lasers (VCSELs) at room temperature by embedding a defect-free a surface micro-structure. Up to the 23rd azimuthal order whispering-gallery mode confined laterally by the native oxide layers is observed in experiments and identified by the spectrum in experiments as well...
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