Time-resolved Q-factor measurement and its application in performance analysis of 42.6 Gbit/s packets generated by SGDBR lasers


We demonstrate a novel time-resolved Q-factor measurement technique and demonstrate its application in the analysis of optical packet switching systems with high information spectral density. For the first time, we report the time-resolved Q-factor measurement of 42.6 Gbit/s AM-PSK and DQPSK modulated packets, which were generated by a SGDBR laser under wavelength switching. The time dependent degradation of Q-factor performance during the switching transient was analyzed and was found to be correlated with different laser switching characteristics in each case.

Publication DOI: https://doi.org/10.1109/JLT.2010.2040709
Uncontrolled Keywords: DQPSK,SGDBR laser,optical packet switching , wavelength-switching characteristics,Atomic and Molecular Physics, and Optics
Publication ISSN: 0733-8724
Last Modified: 27 Jun 2024 08:08
Date Deposited: 07 Jan 2013 14:48
Full Text Link: http://ieeexplo ... rnumber=5398947
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2010-04-15
Authors: Mishra, Arvind K.
Ellis, Andrew D. (ORCID Profile 0000-0002-0417-0547)
Barry, Liam P.



Version: Accepted Version

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