Method and apparatus for providing power to waveguide systems

• US 10,545,301 B1
• Filed: 06/14/2019
• Issued: 01/28/2020
• Est. Priority Date: 11/29/2018
• Status: Active Grant

• Current Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Original Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Inventors: Barzegar, Farhad, Vannucci, Giovanni, Henry, Paul Shala, Willis, III, Thomas M., Gerszberg, Irwin, Bennett, Robert, Barnickel, Donald J.
• Primary Examiner(s): Mooney, Michael P
• Application Number:
  US16/441,648
• Time in Patent Office: 228 Days
• Field of Search: 385 24, 385 49- 50, 385 88- 92, 385123, 398141, 398182
• CPC Class Codes: G02B 2006/12147 Coupler
• CPC Class Codes: G02B 2006/12164 Multiplexing; Demultiplexing
• CPC Class Codes: G02B 6/02 Optical fibres with cladding with or without a coating
• CPC Class Codes: G02B 6/12007 forming wavelength selective elements, e.g. multiplexer, demultiplexer
• CPC Class Codes: G02B 6/28 having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
• CPC Class Codes: G02B 6/30 for use between fibre and thin-film device
• CPC Class Codes: G02B 6/4201 Packages, e.g. shape, construction, internal or external details
• CPC Class Codes: G02B 6/4246 Bidirectionally operating package structures
• CPC Class Codes: H04B 10/25 Arrangements specific to fibre transmission
• CPC Class Codes: H04B 10/807 Optical power feeding, i.e. transmitting power using an optical signal
• CPC Class Codes: H04B 3/56 Circuits for coupling, blocking, or by-passing of signals
• CPC Class Codes: H04J 14/02 Wavelength-division multiplex systems
• CPC Class Codes: H04J 14/0227 Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation

Abstract

Aspects of the subject disclosure may include, a system for receiving first optical power signals via an optical fiber connected with a light source of a network device, converting the first optical power signals to electrical energy utilizing an optical power converter where the electrical energy is utilized as power by the system, and transmitting or receiving electromagnetic waves that propagate along a transmission medium without requiring an electrical return path, and wherein the electromagnetic waves convey data. Other embodiments are disclosed.

Claims

1. A network element, comprising:

a light source;

a processing system including a processor; and

a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, the operations comprising;

transmitting, via an optical fiber coupled to the light source, optical power signals to a waveguide system, wherein the optical power signals are generated by the light source, wherein the optical fiber is coupled to an optical power converter of the waveguide system to facilitate converting the optical power signals to electrical energy to be utilized as power by the waveguide system; and

transmitting communication signals to the waveguide system, wherein the communication signals convey data, wherein the transmitting the communication signals facilitates the waveguide system transmitting electromagnetic waves that are generated according to the communication signals, wherein the electromagnetic waves propagate along a transmission medium without requiring an electrical return path, and wherein the electromagnetic waves convey the data.

2. The network element of claim 1, wherein the communication signals comprise optical communication signals, and wherein the transmitting the communication signals to the waveguide system is via the optical fiber.

3. The network element of claim 2, wherein the optical communication signals and the optical power signals have different wavelengths.

4. The network element of claim 1, wherein the operations further comprise transmitting, via another optical fiber, other optical power signals to another waveguide system, wherein the other optical fiber is coupled to another optical power converter of the other waveguide system to facilitate converting the other optical power signals to other electrical energy to be utilized as other power by the other waveguide system.

5. The network element of claim 1, wherein the network element is mounted on a utility structure supporting the transmission medium.

6. The network element of claim 1, wherein the transmission medium comprises a power line of a power grid.

7. The network element of claim 6, wherein the waveguide system does not obtain any power via a direct electrical connection with the power line.

8. The network element of claim 6, wherein the waveguide system does not obtain any power via an inductive coupling with the power line.

9. A method, comprising:

transmitting, by a network element comprising a light source, via an optical fiber, optical power signals to a waveguide system, wherein the optical power signals are generated by the light source, wherein the optical fiber is coupled to an optical power converter of the waveguide system to facilitate converting the optical power signals to electrical energy to be utilized as power by the waveguide system; and

transmitting, by the network element, communication signals to the waveguide system, wherein the communication signals convey data, wherein the transmitting the communication signals facilitates the waveguide system transmitting electromagnetic waves that are generated according to the communication signals, wherein the electromagnetic waves propagate along a transmission medium without requiring an electrical return path, wherein the network element is mounted on a structure supporting the transmission medium, and wherein the electromagnetic waves convey the data.

10. The method of claim 9, wherein the communication signals comprise optical communication signals, and wherein the transmitting the communication signals to the waveguide system is via the optical fiber.

11. The method of claim 10, wherein the optical communication signals and the optical power signals have different wavelengths.

12. The method of claim 9, wherein the operations further comprise transmitting, via another optical fiber, other optical power signals to another waveguide system, wherein the other optical fiber is coupled to another optical power converter of the other waveguide system to facilitate converting the other optical power signals to other electrical energy to be utilized as other power by the other waveguide system.

13. The method of claim 9, wherein the transmission medium comprises a power line of a power grid.

14. The method of claim 13, wherein the waveguide system does not obtain any power via a direct electrical connection with the power line.

15. The method of claim 13, wherein the waveguide system does not obtain any power via an inductive coupling with the power line.

16. A network element, comprising:

a light source;

a processing system including a processor; and

a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, the operations comprising;

transmitting, via an optical fiber coupled to the light source, optical power signals to a waveguide system, wherein the optical power signals are generated by the light source, wherein the optical fiber is coupled to an optical power converter of the waveguide system to facilitate converting the optical power signals to electrical energy to be utilized as power by the waveguide system; and

transmitting communication signals to the waveguide system, wherein the communication signals convey data, wherein the transmitting the communication signals facilitates the waveguide system transmitting electromagnetic waves that are generated according to the communication signals, wherein the electromagnetic waves propagate along a power line of a power grid without requiring an electrical return path, and wherein the electromagnetic waves convey the data.

17. The network element of claim 16, wherein the communication signals comprise optical communication signals, and wherein the transmitting the communication signals to the waveguide system is via the optical fiber.

18. The network element of claim 16, wherein the operations further comprise transmitting, via another optical fiber, other optical power signals to another waveguide system, wherein the other optical fiber is coupled to another optical power converter of the other waveguide system to facilitate converting the other optical power signals to other electrical energy to be utilized as other power by the other waveguide system.

19. The network element of claim 16, wherein the waveguide system does not obtain any power via a direct electrical connection with the power line.

20. The network element of claim 16, wherein the waveguide system does not obtain any power via an inductive coupling with the power line.