40-Gbaud 16-QAM transmitter using tandem IQ modulators with binary driving electronic signals

Guo-Wei Lu, Mats Sköld, Pontus Johannisson, Jian A. Zhao, Martin Sjödin, Henrik Sunnerud, Mathias Westlund, Andrew Ellis, Peter A. Andrekson

Research output: Contribution to journalArticle

Abstract

We propose a novel 16-quadrature amplitude modulation (QAM) transmitter based on two cascaded IQ modulators driven by four separate binary electrical signals. The proposed 16-QAM transmitter features scalable configuration and stable performance with simple bias-control. Generation of 16-QAM signals at 40 Gbaud is experimentally demonstrated for the first time and visualized with a high speed constellation analyzer. The proposed modulator is also compared to two other schemes. We investigate the modulator bandwidth requirements and tolerance to accumulated chromatic dispersion through numerical simulations, and the minimum theoretical insertion attenuation is calculated analytically.
Original languageEnglish
Pages (from-to)23062-23069
Number of pages8
JournalOptics Express
Volume18
Issue number22
DOIs
Publication statusPublished - 25 Oct 2010

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quadrature amplitude modulation
transmitters
modulators
electronics
constellations
insertion
analyzers
attenuation
high speed
bandwidth
requirements
configurations
simulation

Bibliographical note

© 2010 OSA
This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/OE.18.023062. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Cite this

Lu, G-W., Sköld, M., Johannisson, P., Zhao, J. A., Sjödin, M., Sunnerud, H., ... Andrekson, P. A. (2010). 40-Gbaud 16-QAM transmitter using tandem IQ modulators with binary driving electronic signals. Optics Express, 18(22), 23062-23069. https://doi.org/10.1364/OE.18.023062
Lu, Guo-Wei ; Sköld, Mats ; Johannisson, Pontus ; Zhao, Jian A. ; Sjödin, Martin ; Sunnerud, Henrik ; Westlund, Mathias ; Ellis, Andrew ; Andrekson, Peter A. / 40-Gbaud 16-QAM transmitter using tandem IQ modulators with binary driving electronic signals. In: Optics Express. 2010 ; Vol. 18, No. 22. pp. 23062-23069.
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Lu, G-W, Sköld, M, Johannisson, P, Zhao, JA, Sjödin, M, Sunnerud, H, Westlund, M, Ellis, A & Andrekson, PA 2010, '40-Gbaud 16-QAM transmitter using tandem IQ modulators with binary driving electronic signals', Optics Express, vol. 18, no. 22, pp. 23062-23069. https://doi.org/10.1364/OE.18.023062

40-Gbaud 16-QAM transmitter using tandem IQ modulators with binary driving electronic signals. / Lu, Guo-Wei; Sköld, Mats; Johannisson, Pontus; Zhao, Jian A.; Sjödin, Martin; Sunnerud, Henrik; Westlund, Mathias; Ellis, Andrew; Andrekson, Peter A.

In: Optics Express, Vol. 18, No. 22, 25.10.2010, p. 23062-23069.

Research output: Contribution to journalArticle

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Lu G-W, Sköld M, Johannisson P, Zhao JA, Sjödin M, Sunnerud H et al. 40-Gbaud 16-QAM transmitter using tandem IQ modulators with binary driving electronic signals. Optics Express. 2010 Oct 25;18(22):23062-23069. https://doi.org/10.1364/OE.18.023062