Distributed feedback laser containing silver telluride quantum dots and preparation method thereof
A technology of distributed feedback and quantum dots, which is applied in the direction of lasers, phonon exciters, semiconductor lasers, etc., can solve the problems of poor photothermal stability of organic polymers, affecting the stability and life of lasers, and achieve high stability.
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[0021] The present invention will be further explained below in conjunction with the accompanying drawings.
[0022] Such as figure 2 As shown, the distributed feedback laser containing silver telluride quantum dots of the present invention includes a quartz substrate 2 arranged upwards in sequence, and a silicon dioxide periodic grating 3 containing silver telluride quantum dots.
[0023] The silicon dioxide periodic grating 3 containing silver telluride quantum dots is composed of a silicon dioxide periodic grating and silver telluride quantum dots 1 embedded in the silicon dioxide periodic grating. The silver telluride quantum dots 1 are uniformly distributed in the silicon dioxide periodic grating. Silver telluride quantum dots 1 as figure 1 shown. The silver telluride quantum dot 1 is an optical gain medium, and the silver telluride quantum dot 1 with only double spin degeneracy in the lowest quantum state with low toxicity can realize near-infrared optical gain with ...
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