| 摘要 |
<p>Embodiments of the present invention relate to a bi-direction optical sub-assembly and an optical transceiver. A transmitter in the bi-direction optical sub-assembly is configured to transmit a first communication signal or a detection signal, where the first communication signal or the detection signal is input from a first end of a first optical path and output from a second end of the first optical path, enters a second end of a third optical path through reflection of a WDM optical filter, and is input from a first end of the third optical path to an optical fiber. A second communication signal received by the optical fiber is input from the first end of the third optical path and output from the second end of the third optical path, and is received by a BOSA receiver through transmission of the WDM optical filter. A Fresnel reflection signal returned due to occurrence of Fresnel reflection when the detection signal encounters an obstacle point in the optical fiber, is input from the first end of the third optical path and output from the second end of the third optical path, is input to the second end of the first optical path through reflection of the WDM optical filter, and after being output from a first end of a second optical path, is received by an OTDR receiver.</p> |
