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rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2006-3-20
pubmed:abstractText
We study the role of the bias current sweep rate in measurements of polarization switching (PS) of vertical-cavity surface-emitting lasers (VCSELs). We show that the polarization-resolved L-I (light-intensity) curve depends on the current sweep rate. As the current sweep rate increases, the PS occurs at higher bias currents for upward scans and at lower bias currents for downward scans. We also show that the delay of the dynamical bifurcation follows a power law relationship with the frequency of the ramp, in good agreement with recent theoretical predictions.
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Mar
pubmed:issn
0146-9592
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
31
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
748-50
pubmed:year
2006
pubmed:articleTitle
Experimental study of polarization switching of vertical-cavity surface-emitting lasers as a dynamical bifurcation.
pubmed:affiliation
School of Informatics, University of Wales, Bangor, Dean Street, Bangor LL57 1 UT, Wales, UK. jpaul@informatics.bangor.ac.uk
pubmed:publicationType
Journal Article