期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 21, 期 20, 页码 1496-1498出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2009.2028435
关键词
Amplitude and phase modulation; channel capacity; Kerr fiber nonlinearity; optical fiber communication
In this letter, we calculate theoretical limits to fiber-optic transport capacity under the constraint of requiring the use of concentric multiring modulation alphabets. Subject to these conditions, we vary ring amplitude ratios and occupation probabilities to determine the capacity-optimized ring constellations. The technique used for fiber transmission calculations accurately captures all fiber nonlinear effects, with the accuracy limited by the noise and signal statistical properties only.
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