Pump assembly employing coupled radiation sources for multiple fibers
View Patent ↗A method of amplifying optical signals comprising providing a plurality of input radiation signals into the inputs of a P×V coupler, each of the input radiation signals having a respective input radiation profile having a set of pump wavelengths and pump powers corresponding to the respective wavelengths, wherein at least one set is different from at least one other set; providing V output pump radiation profiles from the outputs of the P×V coupler; and amplifying an optical data signal by coupling at least one of the V output pump radiation profiles with the optical data signal, wherein at least one of the V output pump radiation profiles has a different power than at least one other of the V output pump radiation profiles.
1. A method of amplifying optical signals comprising:
providing a plurality of input radiation signals into the inputs of a P×V coupler, each of the input radiation signals having a respective input radiation profile having a set of pump wavelengths and pump powers corresponding to the respective wavelengths, wherein at least one set is different from at least one other set;
providing V output pump radiation profiles from the outputs of the P×V coupler; and
amplifying an optical data signal by coupling at least one of the V output pump radiation profiles with the optical data signal, wherein at least one of the V output radiation profiles has a different power than at least one other of the V output pump radiation profiles.
2. The method of claim 1 , wherein some of the wavelengths of the sets of wavelengths are the same or adjacent to other wavelengths of the sets of wavelengths.
3. The method of claim 1 , wherein most of the wavelengths of the sets of wavelengths are the same or adjacent to other wavelengths of the sets of wavelengths.
4. The method of claim 1 , wherein all of the wavelengths of the sets of wavelengths are the same or adjacent to other wavelengths of the sets of wavelengths.
5. The method of claim 1 , wherein the providing a plurality of input radiation signals comprises:
combining the radiation from a plurality of pump radiation sources to provide coupled radiation profiles as the input radiation signals.
6. The method of claim 1 , wherein the providing a plurality of input radiation signals comprises:
coupling the input radiation profiles to provide a combination of the input radiation profiles as the output pump radiation profiles.
7. The method of claim 1 , wherein the output pump radiation profiles each provide a desired amplification gain profile over a first range of optical signal wavelengths.
8. The method of claim 7 , wherein the first range of optical signal wavelengths has a range width of between 20 and 120 nm.
9. The method of claim 1 , wherein the optical data signal is amplified via stimulated Raman scattering amplification.
10. The method of claim 1 , wherein P=2 Q , where Q is a positive integer.
11. The method of claim 10 , wherein P is 2.
12. The method of claim 10 , wherein P is 4.
13. The method of claim 10 , wherein P is 8.
14. The method of claim 1 , wherein the plurality of input radiation signals comprises N input radiation signals.
15. The method of claim 14 , wherein N=P.
16. The method of claim 1 , wherein P≠V.