TITLE

Turn-off transients in current-modulated multitransverse-mode vertical-cavity surface-emitting lasers

AUTHOR(S)
Valle, A.; Pesquera, L.
PUB. DATE
December 2001
SOURCE
Applied Physics Letters;12/10/2001, Vol. 79 Issue 24, p3914
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Turn-off transients in current-modulated weakly index-guided vertical-cavity surface-emitting lasers (VCSELs) are analyzed by using a model that takes into account all the transverse modes supported by the waveguide. The turn-off transients strength is maximum for the current at which the VCSEL enters the multitransverse-mode regime. Their strength significatively decreases for the multimode regime and then operation in several modes is beneficial to avoiding turn-off transients when modulating the VCSEL well above threshold in order to achieve a required modulation rate or a sufficient optical output power.
ACCESSION #
5643419

 

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