CD insensitive PMD monitoring for different modulation formats based on RF tone power measurement using an FBG notch filter

We propose and demonstrate a technique on chromatic dispersion (CD) insensitive polarization mode dispersion (PMD) monitoring based on RF tone power measurement using a narrow band fiber Bragg grating (FBG) notch filter. By filtering out the optical component at 10-GHz (1/4 of the bit rate) away fro...

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Bibliographic Details
Published in2009 7th International Conference on Information, Communications and Signal Processing pp. 1 - 5
Main Authors Jing Yang, Chee, K.W.L., Changyuan Yu
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.12.2009
Subjects
Bragg gratings
Chromatic dispersion
fiber Bragg gratings
Fiber gratings
Modulation
Monitoring
Optical devices
Optical fiber communications
Optical fiber filters
performance monitoring
Polarization mode dispersion
Power measurement
Radio frequency
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ISBN9781424446568
1424446562
DOI10.1109/ICICS.2009.5397492

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Summary:We propose and demonstrate a technique on chromatic dispersion (CD) insensitive polarization mode dispersion (PMD) monitoring based on RF tone power measurement using a narrow band fiber Bragg grating (FBG) notch filter. By filtering out the optical component at 10-GHz (1/4 of the bit rate) away from the carrier in one sideband, the RF tone generated by beating between the carrier and the component at the other sideband can be measured to monitor the PMD in 40-Gbit/s transmission systems. The PMD monitoring range is increased four times compare with that optical component at 40-GHz away is filtered out. Cost effective photoreceiver with relative narrow bandwidth is used. Besides, the proposed scheme is transparent to modulation format. Numerical simulation results of PMD monitoring for different modulation formats (DPSK, DQPSK and Duobinary) at 40-Gbit/s are shown.
ISBN:9781424446568
1424446562
DOI:10.1109/ICICS.2009.5397492