PDM-QPSK vector signal generation by MZM-based optical carrier suppression and direct detection

Xinying Li; Jianjun Yu; Jiangnan Xiao; Nan Chi; Yuming Xu; Long Chen

doi:10.1016/j.optcom.2015.07.027

PDM-QPSK vector signal generation by MZM-based optical carrier suppression and direct detection

Xinying Li^*, Jianjun Yu, Jiangnan Xiao, Nan Chi, Yuming Xu, Long Chen

^*此作品的通讯作者

科研成果: 期刊稿件 › 文章 › 同行评审

11 引用（Scopus）

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Abstract We experimentally demonstrate the generation of polarization-division-multiplexing quadrature-phase-shift-keying (PDM-QPSK) modulated vector signal adopting Mach-Zehnder-modulator-based (MZM-based) optical-carrier-suppression (OCS) intensity modulation and direct detection. The MZM is driven by a 6-GHz precoded vector signal carrying 2-Gbaud QPSK transmitter data, and biased at its minimum transmission point to realize OCS modulation. The phase of the 6-GHz precoded vector signal is 1/2 of that of the regular QPSK symbol. Only one polarization beam splitter (PBS) is needed to implement optical polarization diversity. The bit-error rate (BER) for the 2-Gbaud PDM-QPSK modulated vector signal can reach the hard-decision forward-error-correction (HD-FEC) threshold of 3.8×10^-3 after 80-km single-mode fiber-28 (SMF-28) transmission in the presence of optical dispersion compensation, and 80-km SMF-28 transmission causes no power penalty.

源语言	英语
文章编号	20319
页（从-至）	538-542
页数	5
期刊	Optics Communications
卷	355
DOI	https://doi.org/10.1016/j.optcom.2015.07.027
出版状态	已出版 - 21 7月 2015
已对外发布	是

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title = "PDM-QPSK vector signal generation by MZM-based optical carrier suppression and direct detection",

abstract = "Abstract We experimentally demonstrate the generation of polarization-division-multiplexing quadrature-phase-shift-keying (PDM-QPSK) modulated vector signal adopting Mach-Zehnder-modulator-based (MZM-based) optical-carrier-suppression (OCS) intensity modulation and direct detection. The MZM is driven by a 6-GHz precoded vector signal carrying 2-Gbaud QPSK transmitter data, and biased at its minimum transmission point to realize OCS modulation. The phase of the 6-GHz precoded vector signal is 1/2 of that of the regular QPSK symbol. Only one polarization beam splitter (PBS) is needed to implement optical polarization diversity. The bit-error rate (BER) for the 2-Gbaud PDM-QPSK modulated vector signal can reach the hard-decision forward-error-correction (HD-FEC) threshold of 3.8×10-3 after 80-km single-mode fiber-28 (SMF-28) transmission in the presence of optical dispersion compensation, and 80-km SMF-28 transmission causes no power penalty.",

keywords = "Intensity modulation and direct detection, Optical carrier suppression (OCS), Phase precoding, Photonic vector signal generation, Polarization multiplexing",

author = "Xinying Li and Jianjun Yu and Jiangnan Xiao and Nan Chi and Yuming Xu and Long Chen",

note = "Publisher Copyright: {\textcopyright} 2015 Elsevier B.V.",

year = "2015",

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doi = "10.1016/j.optcom.2015.07.027",

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T1 - PDM-QPSK vector signal generation by MZM-based optical carrier suppression and direct detection

AU - Li, Xinying

AU - Yu, Jianjun

AU - Xiao, Jiangnan

AU - Chi, Nan

AU - Xu, Yuming

AU - Chen, Long

PY - 2015/7/21

Y1 - 2015/7/21

N2 - Abstract We experimentally demonstrate the generation of polarization-division-multiplexing quadrature-phase-shift-keying (PDM-QPSK) modulated vector signal adopting Mach-Zehnder-modulator-based (MZM-based) optical-carrier-suppression (OCS) intensity modulation and direct detection. The MZM is driven by a 6-GHz precoded vector signal carrying 2-Gbaud QPSK transmitter data, and biased at its minimum transmission point to realize OCS modulation. The phase of the 6-GHz precoded vector signal is 1/2 of that of the regular QPSK symbol. Only one polarization beam splitter (PBS) is needed to implement optical polarization diversity. The bit-error rate (BER) for the 2-Gbaud PDM-QPSK modulated vector signal can reach the hard-decision forward-error-correction (HD-FEC) threshold of 3.8×10-3 after 80-km single-mode fiber-28 (SMF-28) transmission in the presence of optical dispersion compensation, and 80-km SMF-28 transmission causes no power penalty.

AB - Abstract We experimentally demonstrate the generation of polarization-division-multiplexing quadrature-phase-shift-keying (PDM-QPSK) modulated vector signal adopting Mach-Zehnder-modulator-based (MZM-based) optical-carrier-suppression (OCS) intensity modulation and direct detection. The MZM is driven by a 6-GHz precoded vector signal carrying 2-Gbaud QPSK transmitter data, and biased at its minimum transmission point to realize OCS modulation. The phase of the 6-GHz precoded vector signal is 1/2 of that of the regular QPSK symbol. Only one polarization beam splitter (PBS) is needed to implement optical polarization diversity. The bit-error rate (BER) for the 2-Gbaud PDM-QPSK modulated vector signal can reach the hard-decision forward-error-correction (HD-FEC) threshold of 3.8×10-3 after 80-km single-mode fiber-28 (SMF-28) transmission in the presence of optical dispersion compensation, and 80-km SMF-28 transmission causes no power penalty.

KW - Intensity modulation and direct detection

KW - Optical carrier suppression (OCS)

KW - Phase precoding

KW - Photonic vector signal generation

KW - Polarization multiplexing

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DO - 10.1016/j.optcom.2015.07.027

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JO - Optics Communications

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PDM-QPSK vector signal generation by MZM-based optical carrier suppression and direct detection

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