40 Gb/s CAP32 short reach transmission over 80 km single mode fiber

Yuliang Gao; Qunbi Zhuge; Wei Wang; Xian Xu; Jonathan M. Buset; Meng Qiu; Mohamed Morsy-Osman; Mathieu Chagnon; Feng Li; Liang Wang; Chao Lu; Pak Tao Lau; David V. Plant

doi:10.1364/OE.23.011412

40 Gb/s CAP32 short reach transmission over 80 km single mode fiber

Yuliang Gao, Qunbi Zhuge, Wei Wang, Xian Xu, Jonathan M. Buset, Meng Qiu, Mohamed Morsy-Osman, Mathieu Chagnon, Feng Li, Liang Wang, Chao Lu, Pak Tao Lau, David V. Plant

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

22 Citations (Scopus)

Abstract

We present a method to mitigate the chromatic dispersion (CD)- induced power fading effect (PFE) in high-speed and short-reach carrierless amplitude and phase (CAP) systems using the degenerate four-wave mixing (DFWM) effect and a decision feedback equalizer (DFE). Theoretical and numerical investigations reveal that DFWM components produced by the interaction between the main carrier and the signal sideband help to mitigate PFE in direct detection systems. By optimizing the launch power, a maximum reach of 60 km in single mode fiber (SMF-e +) at 1530nm is experimentally demonstrated for a 40 Gbit/s CAP32 system. In addition, we study the performance of a decision feedback equalizer (DFE) and a traditional linear equalizer (LE) in a channel with non-flat in-band frequency response. The superior PFE tolerance of DFE is experimentally validated, and thereby, the maximum reach is extended to 80 km. To the best of our knowledge, this is the twice the longest transmission distance reported so far for a single-carrier 40 Gbit/s CAP system around 1550 nm.

Original language	English
Pages (from-to)	11412-11423
Number of pages	12
Journal	Optics Express
Volume	23
Issue number	9
DOIs	https://doi.org/10.1364/OE.23.011412
Publication status	Published - 4 May 2015

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OE.23.011412

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title = "40 Gb/s CAP32 short reach transmission over 80 km single mode fiber",

abstract = "We present a method to mitigate the chromatic dispersion (CD)- induced power fading effect (PFE) in high-speed and short-reach carrierless amplitude and phase (CAP) systems using the degenerate four-wave mixing (DFWM) effect and a decision feedback equalizer (DFE). Theoretical and numerical investigations reveal that DFWM components produced by the interaction between the main carrier and the signal sideband help to mitigate PFE in direct detection systems. By optimizing the launch power, a maximum reach of 60 km in single mode fiber (SMF-e +) at 1530nm is experimentally demonstrated for a 40 Gbit/s CAP32 system. In addition, we study the performance of a decision feedback equalizer (DFE) and a traditional linear equalizer (LE) in a channel with non-flat in-band frequency response. The superior PFE tolerance of DFE is experimentally validated, and thereby, the maximum reach is extended to 80 km. To the best of our knowledge, this is the twice the longest transmission distance reported so far for a single-carrier 40 Gbit/s CAP system around 1550 nm.",

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AU - Gao, Yuliang

AU - Zhuge, Qunbi

AU - Wang, Wei

AU - Xu, Xian

AU - Buset, Jonathan M.

AU - Qiu, Meng

AU - Morsy-Osman, Mohamed

AU - Chagnon, Mathieu

AU - Li, Feng

AU - Wang, Liang

AU - Lu, Chao

AU - Lau, Pak Tao

AU - Plant, David V.

PY - 2015/5/4

Y1 - 2015/5/4

N2 - We present a method to mitigate the chromatic dispersion (CD)- induced power fading effect (PFE) in high-speed and short-reach carrierless amplitude and phase (CAP) systems using the degenerate four-wave mixing (DFWM) effect and a decision feedback equalizer (DFE). Theoretical and numerical investigations reveal that DFWM components produced by the interaction between the main carrier and the signal sideband help to mitigate PFE in direct detection systems. By optimizing the launch power, a maximum reach of 60 km in single mode fiber (SMF-e +) at 1530nm is experimentally demonstrated for a 40 Gbit/s CAP32 system. In addition, we study the performance of a decision feedback equalizer (DFE) and a traditional linear equalizer (LE) in a channel with non-flat in-band frequency response. The superior PFE tolerance of DFE is experimentally validated, and thereby, the maximum reach is extended to 80 km. To the best of our knowledge, this is the twice the longest transmission distance reported so far for a single-carrier 40 Gbit/s CAP system around 1550 nm.

AB - We present a method to mitigate the chromatic dispersion (CD)- induced power fading effect (PFE) in high-speed and short-reach carrierless amplitude and phase (CAP) systems using the degenerate four-wave mixing (DFWM) effect and a decision feedback equalizer (DFE). Theoretical and numerical investigations reveal that DFWM components produced by the interaction between the main carrier and the signal sideband help to mitigate PFE in direct detection systems. By optimizing the launch power, a maximum reach of 60 km in single mode fiber (SMF-e +) at 1530nm is experimentally demonstrated for a 40 Gbit/s CAP32 system. In addition, we study the performance of a decision feedback equalizer (DFE) and a traditional linear equalizer (LE) in a channel with non-flat in-band frequency response. The superior PFE tolerance of DFE is experimentally validated, and thereby, the maximum reach is extended to 80 km. To the best of our knowledge, this is the twice the longest transmission distance reported so far for a single-carrier 40 Gbit/s CAP system around 1550 nm.

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40 Gb/s CAP32 short reach transmission over 80 km single mode fiber

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