Optical Equalization of 42.7-Gbaud Band-Limited NRZ- DQPSK Signals for High-Spectral-Efficiency Transmission

A. H. Gnauck; C. R. Doerr; P. J. Winzer; S. Cabot; M. A. Cappuzzo; E. Y. Chen; A. Wong-Foy; L. T. Gomez; M. T. Santo; T. Kawanishi; T. Sakamoto

Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference
OSA Technical Digest Series (CD) (Optica Publishing Group, 2007),
paper OThN4

Optical Equalization of 42.7-Gbaud Band-Limited NRZ- DQPSK Signals for High-Spectral-Efficiency Transmission

A. H. Gnauck, C. R. Doerr, P. J. Winzer, S. Cabot, M. A. Cappuzzo, E. Y. Chen, A. Wong-Foy, L. T. Gomez, M. T. Santo, T. Kawanishi, and T. Sakamoto

Optical Fiber Communication Conference 2007

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

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Signal Measurement and Equalization (OThN)

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A. H. Gnauck, C. R. Doerr, P. J. Winzer, S. Cabot, M. A. Cappuzzo, E. Y. Chen, A. Wong-Foy, L. T. Gomez, M. T. Santo, T. Kawanishi, and T. Sakamoto, "Optical Equalization of 42.7-Gbaud Band-Limited NRZ- DQPSK Signals for High-Spectral-Efficiency Transmission," in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference, OSA Technical Digest Series (CD) (Optica Publishing Group, 2007), paper OThN4.

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Abstract

We demonstrate the use of an optical equalizer to allow a 42.7-Gbaud (85.4-Gb/s) NRZ-DQPSK signal to tolerate the narrow optical filtering required in high-spectral-efficiency systems. The equalizer passbands are repetitive, enabling equalization of multiple channels.

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