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Dense Wavelength Division Multiplexing

Dense Wavelength Division Multiplexing. By David Golden. Dense Wavelength Division Multiplexing. How did DWDM come about? What is the science behind DWDM? Where is DWDM used? Future. Where did DWDM come from?. Where did DWDM come from?. Invention of fiber optics.

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Dense Wavelength Division Multiplexing

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  1. Dense Wavelength Division Multiplexing By David Golden

  2. Dense Wavelength Division Multiplexing • How did DWDM come about? • What is the science behind DWDM? • Where is DWDM used? • Future

  3. Where did DWDM come from?

  4. Where did DWDM come from? • Invention of fiber optics • Development of Wave Division Multiplexing • Overcoming service provider challenges

  5. What were some of the challenges?

  6. What were some of the challenges? • Incorrect calculations • Unexpected ebusiness growth • Capacity Dilemma

  7. What is the science behind DWDM?

  8. What is the science behind DWDM? “The transmission of many signals through a single optical fiber using different wavelengths, each of which carries a separate, independent signal.” -IEEE LEOS What is it?

  9. What is the science behind DWDM? • DWDM uses fiber optic cabling • Each wavelength represents an optical signal • Wavelengths are VERY closely spaced • ITU has specific grid of standard frequencies • “conventional” or C band • “long” or L band • Combines multiple signals so that they can be amplified as a group and transported over a single wire to increase capacity. Who’s a jigga wha?

  10. Where is DWDM used?

  11. Where is DWDM used? Service Providers

  12. So what’s next?

  13. So what’s next? • Temperature setback Who Knows?

  14. Conclusion

  15. In Summation… Final Thought

  16. That’s All Folk’s!! Any Questions?

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