TX and RX using one Optical fiber?

Naveed Alam · May 5, 2010

Is there any fiber in which TX and RX is using one Optical Fiber? If yes please give its details a bit..

IanP · May 5, 2010

You can transmit TX on one wave length and RX on different wave length and multiplex them to one optical fiber, or you can use so called PPLED (ping-pong LED) - see some details here:
http://www.fiber-optics.info/articles/fiber_optic_detectors
http://www.digchip.com/datasheets/parts/datasheet/420/ACS401-pdf.php

IanP
:|

FvM · May 5, 2010

Also TDM or FDM may be solution in some applications. Intended data rate and transmission distance should be mentioned at least.

srhoar · May 5, 2010

These guys make what you are looking for:

https://www.data-connect.com/RAD_FOM-4SF.htm

Try these patents:

**broken link removed**

**broken link removed**

Just try a look at some of these results:
https://www.google.com/patents?q=Full+Duplex+over+Single+Fiber+Modem+&btnG=Search+Patents

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