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Optical Fiber Communications 4th Edition by Gerd Keiser
Edition 4ISBN: 978-0073380711Optical Fiber Communications 4th Edition by Gerd Keiser
Edition 4ISBN: 978-0073380711 Exercise 18
Consider Eq. 8.24 for the power penalty caused by laser mode-partition noise.
( a ) Plot the power penalty (in dB) as a function of the factor BLD (ranging from 0 to 0.2) at a 10 -9 BER (Q = 6) for mode-partition-noise factors k = 0.4, 0.6, 0.8, and 1, when using an InGaAs APD with x = 0.7.
( b ) Given that a multimode laser has a spectral width of 2.0 nm, what are the minimum dispersions required for 100-km spans operating at 155 Mb/s and 622 Mb/s with a 0.5-dB power penalty
( a ) Plot the power penalty (in dB) as a function of the factor BLD (ranging from 0 to 0.2) at a 10 -9 BER (Q = 6) for mode-partition-noise factors k = 0.4, 0.6, 0.8, and 1, when using an InGaAs APD with x = 0.7.
( b ) Given that a multimode laser has a spectral width of 2.0 nm, what are the minimum dispersions required for 100-km spans operating at 155 Mb/s and 622 Mb/s with a 0.5-dB power penalty
Explanation
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Optical Fiber Communications 4th Edition by Gerd Keiser
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