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Abstract

An integrated optical circulator comprising at least two single-fiber bidirectional optical fiber interfaces (1), a refractive element group (2), an optical isolation element group (3), and an optical fiber array (4), wherein the refractive element group (2) and the optical isolation element group (3) are sequentially arranged on a same optical path; an incident signal light from each single-fiber bidirectional optical fiber interface (1) sequentially passes through the refractive element group (2) and the optical isolation element group (3), then is output by a corresponding outgoing optical fiber (43, 44) of the optical fiber array (4); the incident signal light from each incident optical fiber (41, 42) of the optical fiber array (4) sequentially passes through the optical isolation element group (3) and the refractive element group (2), and is output by the corresponding single-fiber bidirectional optical fiber interface (1). Multiple optical circulators are integrated within the volume of a same optical circulator, thereby reducing the volume occupied by optical circulators in an overall device, lowering the overall cost of the device, and improving the convenience of optical path integration.

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