DPSK Error Correction using Multi-Bit Detection for Enhanced Sensitivity and Compensation of Impairments

L. Christen; L. Christen; Y. K. Lize; S. Nuccio; X. Liu; M. Nazarathy; A. E. Willner

Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference
OSA Technical Digest Series (CD) (Optica Publishing Group, 2007),
paper JThA50

DPSK Error Correction using Multi-Bit Detection for Enhanced Sensitivity and Compensation of Impairments

L. Christen, Y. K. Lize, S. Nuccio, X. Liu, M. Nazarathy, and A. E. Willner

Optical Fiber Communication Conference 2007

Anaheim, California United States
25–29 March 2007
ISBN: 1-55752-830-6

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Joint Poster Session II (JThA)

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L. Christen, Y. K. Lize, S. Nuccio, X. Liu, M. Nazarathy, and A. E. Willner, "DPSK Error Correction using Multi-Bit Detection for Enhanced Sensitivity and Compensation of Impairments," in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference, OSA Technical Digest Series (CD) (Optica Publishing Group, 2007), paper JThA50.

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Abstract

We demonstrate a novel, multiple-bit DPSK detection scheme, capable of correcting isolated bit errors using simple logic gates, without an increase in the transmission rate. Simulations predict a 0.4dB back-back gain, 0.85dB in the presence of 1 radian of nonlinear phase noise, and further increased gains in the presence of receiver impairments. A 2dB OSNR gain is realized experimentally at a BER of 1e-3 using this error correction scheme.

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