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Abstract

An optical coupling structure includes a growth substrate and an optical functional layer. A first hole and a second hole are connected in series along a thickness direction of the growth substrate and are used for connecting an optical fiber including an optical fiber core and a coating layer wrapping the optical fiber core, and the coating layer is accommodated in the second hole, so that alignment and fixation between the optical fiber and the growth substrate are realized, improving overall stability of the optical coupling structure; and an end portion of the optical fiber core is accommodated in the first hole, so that a distance between the end portion and the optical functional layer is reduced, and the end portion is used to couple an optical signal from the optical functional layer, so that a coupling efficiency between the optical signal and the optical fiber may be improved.

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First Claim