摘 要: | Efficient, simple, and compact laser sources of simulta-neous emissions at multiple wavelengths have shown lotsof application foregrounds in many fields, such as opti-cal communication, photodynamic therapy (PDT), opti-cal calculation, military interaction, environmental mon-itory, laser remote sensing, laser radar, spectroanalysis,medical instrumentation, and scientific research on non-linear optical mixers[1]. In addition, it can also be usedas a pump source of Terahertz-wave generated by n…
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