Single-Fiber Bi-Directional Optical Transceiver
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United States of America Patent
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Issued Date -
Apr 10, 2014
app pub date -
Dec 17, 2012
filing date -
Oct 9, 2012
priority date (Note) -
Abandoned
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Abstract
A single-fiber bi-directional optical transceiver includes a bi-directional optical subassembly (BOSA) body and a fiber connecting sleeve connected to the BOSA body. The BOSA body contains a laser diode, a photodiode in a photodiode housing, and a splitter. The fiber connecting sleeve contains a connecting ferrule. A band pass filter is between the splitter and the photodiode, and the photodiode, band pass filter and reflection path of the splitter are coaxial and/or in series. Also, a coupling lens is between the splitter and the connecting ferrule, and the laser diode, splitter, coupling lens and connecting ferrule are coaxial and/or in series. In the single-fiber bi-directional optical transceiver, no fiber stub is present, thereby reducing the cost and/or size of the transceiver. By providing a coupling lens between the splitter and the connecting ferrule, the size of the BOSA body can be further reduced, thereby realizing a smaller package size.
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