Title: Gigahertz modulation of tunneling-based GaAs light emitters
Authors: Van Hoof, Chris
DeNeve, H
Mertens, R
Romandic, I
Goovaerts, E
Borghs, Gustaaf #
Issue Date: Nov-1997
Publisher: Ieee-inst electrical electronics engineers inc
Series Title: IEEE Photonics Technology Letters vol:9 issue:11 pages:1463-1465
Abstract: We demonstrate GaAs surface-emitting light-emitting diodes (LED's) containing a resonant tunneling structure that combine ultrahigh modulation bandwidths in excess of 2 GHz with high-external efficiency, In contrast to previously demonstrated resonant tunneling LED's that were used for quantum-well (QW) emission at cryogenic temperatures, these devices operate at room temperature (RT), These devices are less affected by nonradiative recombination compared to the conventional heavy-doping approach, in which a high-modulation bandwidth was obtained only at the expense of a more than proportional reduction in quantum efficiency.
ISSN: 1041-1135
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physics and Astronomy - miscellaneous
ESAT - MICAS, Microelectronics and Sensors
# (joint) last author

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