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Optical Amplifiers

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					                              Optical Amplifiers
I) Introduction
   A) Thesis Statement
   B) Overview of fiber optic networks
   C) How a semiconductor optical amplifier works
   D) Description of laser diode
   E) Einstein’s A and B Coefficients
II) System Amplification Overviews
   A) Long haul system requirements
    1) Introduction to EDFA Amplifiers
       (a) Erbium Dope Fiber-Optic Amplifiers
         (i) Low Noise
         (ii) No Cross Talk
  B) Introduction of Raman Amplifiers
       (a) Raman Amplifiers
         (i) Any optical fibe r can be amplification me dium
         (ii) Work over highe r frequencies than EDFA Amplifiers
III) Other Amplification Technologies
   A) Specific Amplifiers
    1) Nortel Mini Block Optical Amplifiers
  B) Short Haul system requirements
     1) Wideband vs. Narrowband EDFAs
IV) Specifications for amplification
  A) How long haul amplification works
    1) Technical Specifications
  B) How short haul works (brief)
     1) Why hybrid
       (a) Cable Television Networks
  C) Spectrum utilization
V) Overcapacity
  A) How did long haul amplification contribute to overcapacity?
    1) Significance of amplification
       (a) Market Forecast
    2) Speed of development
       (a) Market Growth over the upcoming five years
    3) Speed it was deployed
       (a) EDFA vs. Raman Market share
      4) A Combination of factors?
VI)   Work Cited

				
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