Transmission of 4-ask optical fast OFDM with chromatic dispersion compensation

Jian Zhao; Andrew Ellis

doi:10.1109/LPT.2011.2171943

Transmission of 4-ask optical fast OFDM with chromatic dispersion compensation

Jian Zhao^*, Andrew Ellis

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

We experimentally demonstrate transmission of 20-Gb/s four-amplitude- shifted-keying optical fast orthogonal frequency-division-multiplexing (F-OFDM) over various fiber lengths up to 840 km, and show that symmetric extension, instead of cyclic extension, based guard interval (GI) is required to enable chromatic dispersion (CD) compensation using one-tap equalizers after channel demultiplexing. We characterize the CD tolerance under different GI lengths and investigate the impact of fiber nonlinearity on the system performance.

Original language	English
Article number	6045320
Pages (from-to)	34-36
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	24
Issue number	1
Early online date	17 Oct 2011
DOIs	https://doi.org/10.1109/LPT.2011.2171943
Publication status	Published - 1 Jan 2012

Keywords

Chromatic dispersion (CD) detection modulation
Orthogonal frequency-division multiplexing (OFDM)

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10.1109/LPT.2011.2171943

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abstract = "We experimentally demonstrate transmission of 20-Gb/s four-amplitude- shifted-keying optical fast orthogonal frequency-division-multiplexing (F-OFDM) over various fiber lengths up to 840 km, and show that symmetric extension, instead of cyclic extension, based guard interval (GI) is required to enable chromatic dispersion (CD) compensation using one-tap equalizers after channel demultiplexing. We characterize the CD tolerance under different GI lengths and investigate the impact of fiber nonlinearity on the system performance.",

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AB - We experimentally demonstrate transmission of 20-Gb/s four-amplitude- shifted-keying optical fast orthogonal frequency-division-multiplexing (F-OFDM) over various fiber lengths up to 840 km, and show that symmetric extension, instead of cyclic extension, based guard interval (GI) is required to enable chromatic dispersion (CD) compensation using one-tap equalizers after channel demultiplexing. We characterize the CD tolerance under different GI lengths and investigate the impact of fiber nonlinearity on the system performance.

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Transmission of 4-ask optical fast OFDM with chromatic dispersion compensation

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