Experimental demonstration of a DSP-based cross-channel interference cancellation technique for application in digital filter multiple access PONs

Roger Giddings; Ehab Al-Rawachy; Jianming Tang

doi:10.1364/OE.25.003850

Experimental demonstration of a DSP-based cross-channel interference cancellation technique for application in digital filter multiple access PONs

Roger Giddings, Ehab Al-Rawachy, Jianming Tang

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Abstract

A DSP-based cross-channel interference cancellation (CCIC) technique with initial condition-free, fast convergence and signal modulation format independence, is experimentally demonstrated in a two-channel point-to-point digital filter multiple access (DFMA) PON system based on intensity-modulation and direct-detection (IMDD). The CCIC-induced transmission performance improvements under various system conditions are fully investigated for the first time. It is shown that with one iteration only the CCIC technique can achieve a reduction in individual OFDM subcarrier BERs of more than 1000
times, an increase in transmission capacity by as much as 19 times and an increase in optical
power budget by as much as 3.5dB. The CCIC technique thus has the potential to drastically
improve the transmission performance of DFMA PONs.

Original language	English
Article number	270560
Pages (from-to)	3850-3862
Number of pages	13
Journal	Optics Express
Volume	25
Issue number	4
DOIs	https://doi.org/10.1364/OE.25.003850
Publication status	Published - 14 Feb 2017

Keywords

Fiber optics communications; Fiber optics links and subsystems; Multiplexing.

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10.1364/OE.25.003850Licence: Other

2017 Expermintal demonstration of a DSP-based cross-channel interferenceAccepted author manuscript, 799 KBLicence: CC BY-NC

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AU - Al-Rawachy, Ehab

AU - Tang, Jianming

PY - 2017/2/14

Y1 - 2017/2/14

N2 - A DSP-based cross-channel interference cancellation (CCIC) technique with initial condition-free, fast convergence and signal modulation format independence, is experimentally demonstrated in a two-channel point-to-point digital filter multiple access (DFMA) PON system based on intensity-modulation and direct-detection (IMDD). The CCIC-induced transmission performance improvements under various system conditions are fully investigated for the first time. It is shown that with one iteration only the CCIC technique can achieve a reduction in individual OFDM subcarrier BERs of more than 1000times, an increase in transmission capacity by as much as 19 times and an increase in opticalpower budget by as much as 3.5dB. The CCIC technique thus has the potential to drasticallyimprove the transmission performance of DFMA PONs.

AB - A DSP-based cross-channel interference cancellation (CCIC) technique with initial condition-free, fast convergence and signal modulation format independence, is experimentally demonstrated in a two-channel point-to-point digital filter multiple access (DFMA) PON system based on intensity-modulation and direct-detection (IMDD). The CCIC-induced transmission performance improvements under various system conditions are fully investigated for the first time. It is shown that with one iteration only the CCIC technique can achieve a reduction in individual OFDM subcarrier BERs of more than 1000times, an increase in transmission capacity by as much as 19 times and an increase in opticalpower budget by as much as 3.5dB. The CCIC technique thus has the potential to drasticallyimprove the transmission performance of DFMA PONs.

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DO - 10.1364/OE.25.003850

M3 - Article

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Experimental demonstration of a DSP-based cross-channel interference cancellation technique for application in digital filter multiple access PONs

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