Why WDM is used in optical fiber?

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Tags

1. #optical
2. #fiber
3. #division
4. #bandwidth
5. #technology
6. #large
7. #transporting
8. #wavelength
9. #simultaneously
10. #between
11. #increases
12. #streams
13. #single
14. #sites
15. #allowing
16. #multiplexing
17. #choice
18. #amounts
19. #network
20. #different