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Optical Engineering

New hybrid peak-to-average power ratio reduction technique based on carrier interferometry codes and companding technique for optical direct-detection orthogonal frequency division multiplexing system
Author(s): Lap Maivan; Jing He; Ming Chen; Fall Mangone; Lin Chen
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Paper Abstract

In direct-detection optical orthogonal frequency division multiplexing (OFDM) systems, the high peak-to-average power ratio (PAPR) will cause nonlinear effects in both electrical and optical devices and optical fiber transmission when the nonlinear amplifiers are employed. A new hybrid technique based on carrier interferometry codes and companding transform has been proposed and experimentally demonstrated to reduce the high PAPR in an optical direct-detection optical OFDM system. The proposed technique is then experimentally demonstrated and the results show the effectiveness of the new method. The PAPR of the hybrid signal has been reduced by about 5.7 dB when compared to the regular system at a complementary cumulative distribution function of 10−4. At a bit error rate of 10−4, after transmission over 100-km single-mode fiber with a μ of 2, the receiver sensitivity is improved by 3.7, 4.2, and 5 dB with launch powers of 3, 6, and 9 dBm, respectively.

Paper Details

Date Published: 12 August 2014
PDF: 7 pages
Opt. Eng. 53(8) 086104 doi: 10.1117/1.OE.53.8.086104
Published in: Optical Engineering Volume 53, Issue 8
Show Author Affiliations
Lap Maivan, Hunan Univ. (China)
Haiphong Private Univ. (China)
Jing He, Hunan Univ. (China)
Ming Chen, Hunan Univ. (China)
Fall Mangone, Hunan Univ. (China)
Lin Chen, Hunan Univ. (China)


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