Abstract

We correct a table showing the signal-to-noise ratio obtained in coherent detection. We also clarify a table showing the bandwidth requirements for homodyne and heterodyne downconverters. Otherwise, our previous results and conclusions are unchanged.

©2008 Optical Society of America

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References

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  1. E. Ip, A. P. T. Lau, D. J. F. Barros, and J. M. Kahn, “Coherent detection in optical fiber systems,” Optics Express 16, 753–791 (2008).
    [Crossref] [PubMed]

2008 (1)

E. Ip, A. P. T. Lau, D. J. F. Barros, and J. M. Kahn, “Coherent detection in optical fiber systems,” Optics Express 16, 753–791 (2008).
[Crossref] [PubMed]

Barros, D. J. F.

E. Ip, A. P. T. Lau, D. J. F. Barros, and J. M. Kahn, “Coherent detection in optical fiber systems,” Optics Express 16, 753–791 (2008).
[Crossref] [PubMed]

Ip, E.

E. Ip, A. P. T. Lau, D. J. F. Barros, and J. M. Kahn, “Coherent detection in optical fiber systems,” Optics Express 16, 753–791 (2008).
[Crossref] [PubMed]

Kahn, J. M.

E. Ip, A. P. T. Lau, D. J. F. Barros, and J. M. Kahn, “Coherent detection in optical fiber systems,” Optics Express 16, 753–791 (2008).
[Crossref] [PubMed]

Lau, A. P. T.

E. Ip, A. P. T. Lau, D. J. F. Barros, and J. M. Kahn, “Coherent detection in optical fiber systems,” Optics Express 16, 753–791 (2008).
[Crossref] [PubMed]

Optics Express (1)

E. Ip, A. P. T. Lau, D. J. F. Barros, and J. M. Kahn, “Coherent detection in optical fiber systems,” Optics Express 16, 753–791 (2008).
[Crossref] [PubMed]

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Tables (2)

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Table 1. SNR per symbol for various receiver configurations. For the ASE-limited cases, n̄s is the average number of photons received per symbol, NA is the number of fiber spans, and nsp is the spontaneous emission noise factor of the inline amplifiers. For the LO shot-noise-limited cases, n̄r=ηn̄s is the number of detected photons per symbol, where η is the quantum efficiency of the photodiodes. For the ASE-limited heterodyne case, image-band rejection is assumed.

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Table 2. Comparison between homodyne and heterodyne downconverters.

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