High accuracy and fast acquisition time of polarisation nulling-based OSNR monitor

Floridia, C.; Rocha, M. de Lacerda; de Moraes, J. C.; Bezerra, E. W.

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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

High accuracy and fast acquisition time of polarisation nulling-based OSNR monitor

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Author(s):	Floridia, C. ^[1] ; Rocha, M. de Lacerda ^[2] ; de Moraes, J. C. ^[1] ; Bezerra, E. W. ^[1] Total Authors: 4
Affiliation:	^[1] CPqD Fdn, Campinas, SP - Brazil ^[2] Univ Sao Paulo, EESC, BR-05508 Sao Paulo - Brazil Total Affiliations: 2
Document type:	Journal article
Source:	ELECTRONICS LETTERS; v. 46, n. 2, p. 152-U75, JAN 21 2010.
Web of Science Citations:	3
Abstract
A technique for improving the performance of an OSNR monitor based on a polarisation nulling method with the downhill simplex algorithm is demonstrated. Establishing a compromise between accuracy and acquisition time, the monitor has been calibrated to 0.72 dB/390 ms and 0.98 dB/320 ms, over a range of nearly 21 dB. As far as is known, these are the best values achieved with such an OSNR monitoring method. (AU)

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