Effect of the Phase-Error of Local Oscillators in Digital Back-Propagation

Title
Effect of the Phase-Error of Local Oscillators in Digital Back-Propagation
Authors
박상규
Keywords
Optical fiber communication; digital back propagation; WDM transmission; phase-error of local oscillators
Issue Date
2015-02
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE PHOTONICS TECHNOLOGY LETTERS, v. 27, NO 4, Page. 363-366
Abstract
The effect of the phase-error of local oscillators (LOs) on the performance of wavelength-division multiplexing (WDM) optical transmission systems employing digital back-propagation (DBP) is investigated. A simple model describing the performance degradation due to the phase-error is developed, and the validity of it is demonstrated by numerical simulations of 20-GHz-spaced-nine-channel orthogonal frequency division multiplexing (OFDM)-modulated transmissions. It is also shown that, whereas the variance of the phase-error should be less than 5 degrees for the full benefit of the DBP, the performance is significantly improved by the DBP even when there is no control on the phase of LOs.
URI
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6966716&newsearch=true&queryText=Effect%20of%20the%20Phase-Error%20of%20Local%20Oscillators%20in%20Digital%20Back-Propagationhttp://hdl.handle.net/20.500.11754/22096
ISSN
1041-1135; 1941-0174
DOI
http://dx.doi.org/10.1109/LPT.2014.2374534
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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