1 October 2006 Modulation-format comparison experiments on an economic long-haul transmission link using standard single-mode fiber and all erbium-doped fiber amplifiers
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Optical Engineering, 45(10), 105001 (2006). doi:10.1117/1.2360915
Abstract
We systematically compare the transmission performance of three different modulation formats — return-to-zero (RZ), chirped RZ (CRZ), and vestigial sideband RZ — on an economically possible transmission link using standard single-mode fiber (SSMF) and all erbium-doped fiber amplifiers. This link is composed of wavelength-division multiplexed channels at 10 Gbit/s over 24×100-km amplifier spans without using new types of fibers or Raman amplifiers. The generation of each modulation format in the experiments is optimized for more reasonable comparison, and their optical characteristics are investigated by comparison with simulation results. Optimum input powers into SSMF and dispersion compensation fiber for each modulation format signal were explored, and their transmission performance was compared. In our cost-effective transmission link, the CRZ signal showed the lowest input power and best performance among all the formats investigated.
Bo-hun Choi, Yang Jing Wen, Chang-Bong Kim, "Modulation-format comparison experiments on an economic long-haul transmission link using standard single-mode fiber and all erbium-doped fiber amplifiers," Optical Engineering 45(10), 105001 (1 October 2006). http://dx.doi.org/10.1117/1.2360915
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KEYWORDS
Modulation

Fiber amplifiers

Optical amplifiers

Modulators

Single mode fibers

Wavelength division multiplexing

Fiber Bragg gratings

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