Grating-integrated wedge-shaped edge-emitting terahertz quantum cascade lasers
A quantum cascade, terahertz technology, used in lasers, laser parts, semiconductor lasers, etc., can solve the problems of difficult to achieve single longitudinal mode operation, reduce the quality of the outgoing beam, and large emission angle of the far-field spot, and achieve low Optical propagation loss, suppression of high-order transverse modes, and the effect of large gain area
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[0043] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.
[0044] see Figure 1 to Figure 5 . It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic concept of the present invention, although only the components related to the present invention are shown in the diagrams rather than the number, shape and Dimensional drawing, the type, quantity and proportion of each component can be changed arbitrarily during actual implementation, and t...
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