Bidirectional optical device
View Patent ↗A multiband wavelength multiplexed optical device for bidirectional communication over one light path. The device may use dichroic filters or reflectors, or other mechanisms for wavelength or bandwidth separation or discrimination of sent or received light signals. It may have a multitude of light sources and detectors for sending and receiving light signals such as those for optical-based communications, controls and so forth. For instance, the optical device may be utilized in transceiver systems.
1. A bidirectional optical device comprising:
a first transceiver having an optical port, an electrical input and electrical output;
a second transceiver having an optical port, an electrical input and an electrical output; and
an optical medium connecting the optical port of said first transceiver to the optical port of said second transceiver wherein said optical medium comprises a waveguide.
2. The device of claim 1 , wherein:
said first transceiver comprises:
a wavelength splitter proximate to the optical port;
a light source connected to the electrical input and proximate to said wavelength splitter; and
detector connected to the electrical output and proximate to said wavelength splitter; and
said second transceiver comprises:
a wavelength splitter proximate to the optical port;
a light source connected to the electrical input and proximate to said wavelength splitter; and
detector connected to the electrical output and proximate to said wavelength splitter.
3. The device of claim 2 , wherein:
said wavelength splitter of said first transceiver may pass light having a first wavelength from said light source to the optical port of said first transceiver;
said wavelength splitter of said first transceiver may reflect light having a second wavelength from the optical port to said detector of said first transceiver;
said wavelength splitter of said second transceiver may pass light having the second wavelength from said light source to the optical port of said second transceiver; and
said wavelength splitter of said second transceiver may reflect light having the first wavelength from the optical port to said detector of said second transceiver.
4. The device of claim 1 , further comprising:
a third transceiver having an optical port, an electrical input and electrical output, the optical medium connecting the optical port of the third transceiver to the optical ports of the first and second transceivers.
5. A bidirectional optical device comprising:
a first plurality of transceivers, wherein each transceiver has an optical port, an electrical input and an electrical output;
a second plurality of transceivers, wherein each transceiver has an optical port, an electrical input and an electrical output; and
an optical medium connecting the optical ports of said first plurality of transceivers to the optical ports of said second plurality of transceivers,
where certain optical ports of various transceivers may selectively be connected to certain optical ports of other various transceivers of said first and second pluralities of transceivers.
6. The device of claim 5 , further comprising at least one wavelength separation element situated in said optical medium.
7. The device of claim 5 , wherein said optical medium is a waveguide.
8. The device of claim 5 , wherein said optical medium is a fiber.
9. The device of claim 5 , wherein the optical medium is an ambient environment between the optical ports of said first and second pluralities of transceivers, respectively.
10. A bidirectional optical device comprising:
a transceiver configured for selective connectability to other transceivers, the transceiver having an electrical input, an electrical output, and an optical port configured to receive an optical medium such that the optical port can be connected through the optical medium to optical ports at the other transceivers;
a light source proximate to said optical port;
a light detector proximate to said optical port; and
a wavelength splitter proximate to said optical port, the wavelength splitter configured to pass light having a first wavelength from said light source to said optical port and the wavelength splitter configured to pass light having a second wavelength from said optical port to said detector.
11. The device of claim 10 , wherein the optical port comprises a fiber ferrule receptacle configured to receive a fiber optic cable.
12. The device of claim 10 , wherein the light source, wavelength splitter, light detector are incorporated into the transceiver.
13. The device of claim 12 , wherein the transceiver is comprised of at least one of: metal; and, plastic.
14. The device of claim 10 , wherein the wavelength splitter comprises a wavelength splitter configured to pass light having the first wavelength to selectively connect the transceiver with a first one or more transceivers and is configured to pass light having the second wavelength to selectively connect the transceiver with a second different one or more transceivers.
15. A device for bidirectional wavelength multiplexing comprising:
a structure having a wavelength separator feature;
at least one optical component having a wavelength distinct from a wavelength of any other of the at least on one optical component, the at least one optical component being attached to the structure;
an optical wavelength separator mechanically coupled with the wavelength separator feature, the optical wavelength separator proximate to the at least one optical component; and
an optical interface proximate to said optical wavelength separator, wherein the optical interface comprises an optical fiber ferrule receptacle for receiving an optical fiber such that the device can be selectively connected to other devices.
16. The device as recited in claim 15 , wherein the at least one optical component comprises at least one of a light detector and a light source.
17. The device as recited in claim 15 , wherein the at least one optical component comprises a plurality of optical components, each optical component of the plurality of optical components having a wavelength distinct from a wavelength of other optical components in the plurality of optical components, and the device further comprising a plurality of optical wavelength separators, each of which is located proximate to a respective optical component of the plurality of optical components, and each of which is configured to pass light of the distinct wavelength for the respective optical component.
18. The device as recited in claim 15 , wherein the optical wavelength separator comprises at least one of a dichroic filter and a dichroic mirror.
19. The device as recited in claim 15 , wherein the wavelength separator feature comprises an aligned groove.
20. The device as recited in claim 15 , wherein the wavelength separator is affixed to an aligned groove of the structure.
21. A bidirectional optical device comprising:
a structure, including:
an electrical input;
an electrical output;
a wavelength separator feature; and
an optical port configured to connect to an optical medium;
a plurality of optical components configured for selective connectivity with other optical devices based on wavelength, including:
a laser connected to the electrical input and attached to the structure, the laser configured to send light to a connected optical medium at a first wavelength different from wavelengths of other optical components in the plurality of optical components; and
an optical detector connected to the electrical output and attached to the structure, the optical detector configured to receive light from the connected optical medium at a second wavelength different from the wavelengths of other optical components in the plurality of optical components; and
a wavelength separator mechanically coupled with the wavelength separator feature, the wavelength separator configured to separate light into the first wavelength for selective communication between the laser and other devices and configured to separate light into the second wavelength for selective communication between the optical detector and other different devices.
22. The device of claim 21 , wherein the wavelength separator feature comprises an aligned groove.
23. The device of claim 21 , wherein the wavelength separator is affixed to an aligned groove of the structure.
24. The device of claim 21 , wherein the structure is comprised of at least one of: metal; and, plastic.
25. The device of claim 21 , wherein the wavelength separator comprises at least one of a dichroic filter and a dichroic mirror.
26. The device of claim 21 , wherein the optical port comprises a fiber ferrule receptacle configured to receive a fiber optic cable.