AI Article Synopsis
- * Characterization methods include confocal laser microscopy and Raman spectroscopy, revealing key performance metrics of the waveguides.
- * The resulting waveguide laser demonstrates strong output power of 320 mW at around 2.02 µm, with low loss and the ability to emit at a vibronic laser wavelength of approximately 2.08 µm.
Article Abstract
Surface channel waveguides (WGs) based on a half-ring (40-60-µm-diameter) depressed-index cladding (type III) geometry are fabricated in monoclinic Tm:MgWO by femtosecond (fs) laser writing at a repetition rate of 1 kHz. The WGs are characterized by confocal laser microscopy and -Raman spectroscopy. A Tm:MgWO WG laser generates 320 mW at ∼2.02µm with a slope efficiency of 64.4%. The WG emits a transverse single-mode and linear polarization (||). A remarkable low loss of <0.1dB/cm is measured for the WG. Vibronic laser emission at ∼2.08µm is also achieved.
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| http://dx.doi.org/10.1364/OL.395811 | DOI Listing |
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