Investigation of PMD in direct-detection optical OFDM with zero padding

Xiang Li; Arokiaswami Alphones; Wen De Zhong; Changyuan Yu

doi:10.1364/OE.21.020851

Investigation of PMD in direct-detection optical OFDM with zero padding

Xiang Li, Arokiaswami Alphones, Wen De Zhong, Changyuan Yu

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

8 Citations (Scopus)

Abstract

We investigate the polarization-mode dispersion (PMD) effect of zero padding OFDM (ZP-OFDM) in direct-detection optical orthogonal frequency division multiplexing (DDO-OFDM) systems. We first study the conventional equalization method for ZP-OFDM. Then an equalization method based on sorted QR decomposition is proposed to further improve the performance. It is found that the performance improvement of ZPOFDM is due to the frequency domain oversampling (FDO) induced intercarrier interference (ICI). Numerical simulation results show that compared with cyclic prefix OFDM (CP-OFDM), ZP-OFDM has a significantly higher tolerance to PMD in DDO-OFDM systems when the channel spectral nulls occur at certain differential group delay (DGD) values.

Original language	English
Pages (from-to)	20851-20856
Number of pages	6
Journal	Optics Express
Volume	21
Issue number	18
DOIs	https://doi.org/10.1364/OE.21.020851
Publication status	Published - 9 Sept 2013
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

More information

10.1364/OE.21.020851

Cite this

@article{1dbaf80acd214729a8da085b29200daf,

title = "Investigation of PMD in direct-detection optical OFDM with zero padding",

abstract = "We investigate the polarization-mode dispersion (PMD) effect of zero padding OFDM (ZP-OFDM) in direct-detection optical orthogonal frequency division multiplexing (DDO-OFDM) systems. We first study the conventional equalization method for ZP-OFDM. Then an equalization method based on sorted QR decomposition is proposed to further improve the performance. It is found that the performance improvement of ZPOFDM is due to the frequency domain oversampling (FDO) induced intercarrier interference (ICI). Numerical simulation results show that compared with cyclic prefix OFDM (CP-OFDM), ZP-OFDM has a significantly higher tolerance to PMD in DDO-OFDM systems when the channel spectral nulls occur at certain differential group delay (DGD) values.",

author = "Xiang Li and Arokiaswami Alphones and Zhong, {Wen De} and Changyuan Yu",

year = "2013",

month = sep,

day = "9",

doi = "10.1364/OE.21.020851",

language = "English",

volume = "21",

pages = "20851--20856",

journal = "Optics Express",

issn = "1094-4087",

publisher = "The Optical Society",

number = "18",

}

TY - JOUR

T1 - Investigation of PMD in direct-detection optical OFDM with zero padding

AU - Li, Xiang

AU - Alphones, Arokiaswami

AU - Zhong, Wen De

AU - Yu, Changyuan

PY - 2013/9/9

Y1 - 2013/9/9

N2 - We investigate the polarization-mode dispersion (PMD) effect of zero padding OFDM (ZP-OFDM) in direct-detection optical orthogonal frequency division multiplexing (DDO-OFDM) systems. We first study the conventional equalization method for ZP-OFDM. Then an equalization method based on sorted QR decomposition is proposed to further improve the performance. It is found that the performance improvement of ZPOFDM is due to the frequency domain oversampling (FDO) induced intercarrier interference (ICI). Numerical simulation results show that compared with cyclic prefix OFDM (CP-OFDM), ZP-OFDM has a significantly higher tolerance to PMD in DDO-OFDM systems when the channel spectral nulls occur at certain differential group delay (DGD) values.

AB - We investigate the polarization-mode dispersion (PMD) effect of zero padding OFDM (ZP-OFDM) in direct-detection optical orthogonal frequency division multiplexing (DDO-OFDM) systems. We first study the conventional equalization method for ZP-OFDM. Then an equalization method based on sorted QR decomposition is proposed to further improve the performance. It is found that the performance improvement of ZPOFDM is due to the frequency domain oversampling (FDO) induced intercarrier interference (ICI). Numerical simulation results show that compared with cyclic prefix OFDM (CP-OFDM), ZP-OFDM has a significantly higher tolerance to PMD in DDO-OFDM systems when the channel spectral nulls occur at certain differential group delay (DGD) values.

UR - http://www.scopus.com/inward/record.url?scp=84884558404&partnerID=8YFLogxK

U2 - 10.1364/OE.21.020851

DO - 10.1364/OE.21.020851

M3 - Journal article

SN - 1094-4087

VL - 21

SP - 20851

EP - 20856

JO - Optics Express

JF - Optics Express

IS - 18

ER -

Investigation of PMD in direct-detection optical OFDM with zero padding

Abstract

ASJC Scopus subject areas

More information

Other files and links

Fingerprint

Cite this