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Optical Engineering

Subcarriers-to-subcarriers beating interference cancellation in virtual single sideband optical frequency division multiplexing system
Author(s): Cheng Ju; Xue Chen; Na Liu
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Paper Abstract

We propose and experimentally demonstrate the superior performance of a 40-Gbps 16-quadrature amplitude modulation virtual single sideband (VSSB) direct detection optical frequency division multiplexing system with symbol predistortion to mitigate subcarriers-to-subcarriers beating interference. The VSSB signal is generated in the electronic domain by combining the baseband orthogonal frequency division multiplexing signals and sinusoidal waves without a frequency gap to maximize the electrical and optical spectral efficiencies. The results show that 5-dB optical signal to noise ratio sensitivity improvement is obtained by using symbol predistortion.

Paper Details

Date Published: 22 September 2014
PDF: 4 pages
Opt. Eng. 53(9) 096110 doi: 10.1117/1.OE.53.9.096110
Published in: Optical Engineering Volume 53, Issue 9
Show Author Affiliations
Cheng Ju, Beijing Univ. of Posts and Telecommunications (China)
Xue Chen, Beijing Univ. of Posts and Telecommunications (China)
Na Liu, Beijing Univ. of Posts and Telecommunications (China)


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