Мультиплексирование
Спектральное (длинноволновое мультиплексирование) WDM
73.5 TГц (1200 - 1700 нм) 
EDFA
1200 |
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1300 |
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1500 |
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1700 |
нм |
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Полоса усиления EDFA TГц (1528.8 - 1561 нм) |
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100 GHz |
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50 GHz |
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Каналы |
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1 |
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39 |
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40 |
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41 |
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WDM: |
1 волокно 41 |
спектральный канал (ITU G.692) |
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DWDM: 1 волокно 82 (и более) спектральных каналов
Мультиплексирование
Спектральное (длинноволновое |
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мультиплексирование) |
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WDM |
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100Gb/s per channel |
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10Gb/s per channel |
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80 channels = 8Tb/s |
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A complex transmitter, |
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80 channels = 800Gb/s |
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detector with very |
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and even more complex |
A simple transmitter, and |
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significant signal |
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processing |
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even simpler detector |
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Tx |
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with no significant signal |
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processing |
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Tx |
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Modulator |
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Rx |
Rx |
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Photodetector |
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Мультиплексирование
Спектральное (длинноволновое |
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мультиплексирование) |
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WDM |
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100Gb/s per channel |
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10Gb/s per channel |
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80 channels = 8Tb/s |
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A complex transmitter, |
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80 channels = 800Gb/s |
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detector with very |
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and even more complex |
A simple transmitter, and |
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significant signal |
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processing |
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even simpler detector |
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Tx |
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with no significant signal |
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processing |
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Tx |
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Modulator |
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Rx |
Rx |
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Photodetector |
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Мультиплексирование
Спектральное (длинноволновое мультиплексирование) WDM
Single Carrier |
Dual Carrier |
Ten Carrier |
500Gb/s |
500Gb/s |
500Gb/s |
SC-PM-QPSK |
DC-PM-QPSK |
10C-PM-QPSK |
190 GHz |
190 GHz |
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190 GHz |
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1 Laser |
2 Lasers |
10 |
Lasers |
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4 modulators |
8 modulators |
40 |
Modulators |
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160 Gbaud Electronics |
80 Gbaud Electronics |
16 GBaud electronics |
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Time to Market: ~7 yearsTime to Market: ~5 years |
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Time to Market: NOW |
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