All-optical logic device based on quantum dot-double die cavity coupling system
A coupling system and quantum dot technology, applied in the field of all-optical logic devices based on quantum dot-dual-mode cavity coupling system, can solve the problems of difficult to design photonic devices, unable to realize all-optical logic devices, difficult to integrate, etc.
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[0049] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0050] The quantum dot-dual-mode microcavity used in the embodiment of the present invention has a structure in which a dual-mode microcavity is coupled with a two-level neutral quantum dot. The cavity modes are two modes with equal wavelengths but orthogonal polarizations. Both modes resonate with the quantum dot, respectively. At the same time, two Gaussian pulsed laser beams whose polarization is the same as the two modes of the microcavity and whose wavelength...
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