System Sensitivity of Multi-Level 16-QAM and QPSK to Transmitter Imperfections in Different Modulator Designs

L. Christen; A.E. Willner

doi:10.1364/COTA.2006.CThC3

Optical Amplifiers and Their Applications/Coherent Optical Technologies and Applications
Technical Digest (CD) (Optica Publishing Group, 2006),
paper CThC3
•https://doi.org/10.1364/COTA.2006.CThC3

System Sensitivity of Multi-Level 16-QAM and QPSK to Transmitter Imperfections in Different Modulator Designs

L. Christen and A.E. Willner

Coherent Optical Technologies and Applications 2006

Whistler Canada
25–30 June 2006
ISBN: 1-55752-809-8

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Coherent Optical Communication III (CThC)

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L. Christen and A. E. Willner, "System Sensitivity of Multi-Level 16-QAM and QPSK to Transmitter Imperfections in Different Modulator Designs," in Optical Amplifiers and Their Applications/Coherent Optical Technologies and Applications, Technical Digest (CD) (Optica Publishing Group, 2006), paper CThC3.

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Abstract

In this paper we characterize the impact transmitter imperfections have on two modulators capable of generating arbitrary quadrature waveforms. Power penalties are generated via Mont-Carlo simulations for 16-QAM and QPSK coherent waveforms. It is shown that the single dual-drive design experiences an increased robustness to transmitter imperfections while, simultaneously reducing cost and complexity. 16-QAM is shown to be much more sensitive to transmitter impairments than QPSK.

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