Windisch, R., Knobloch, A., Kuijk, M., Rooman, C., Dutta, B., Borghs, G., Dohler, G., & Heremans, P. (2000). Large-signal-modulation of high-efficiency light-emitting diodes for optical communication. IEEE Journal of Quantum Electronics.

@article{b7c56046e09748d38308e1c1b86b9be3,
title = "Large-signal-modulation of high-efficiency light-emitting diodes for optical communication",
abstract = "The dynamic behavior of high-efficiency light-emitting diodes (LEDs) is investigated theoretically and experimentally. A detailed theoretical description of the switch-on and switch-off transients of LEDs is derived. In the limit of small-signal modulation, the well-established exponential behavior is obtained. However, in the case of high injection, which is easily reached for thin active layer LEDs, the small-signal time constant is found to be up to a factor of two faster than the radiative recombination lifetime. Using such quantum-well LEDs, we have demonstrated optical data transfer,vith wide open eye diagrams at bit rates up to 2 Gbit/s, In addition, we have combined the use of thin active layers with the concept of surface-textured thin-film LEDs, which allow a significant improvement in the light extraction efficiency. With LEDs operating at 0.5 Gbit/s and 1 Gbit/s, we have achieved external quantum efficiencies of 36% and 29%, respectively",
keywords = "light-emitting diodes, optical communication, spontaneous emission, p-n heterojunctions",
author = "Reiner Windisch and A. Knobloch and Maarten Kuijk and Cathleen Rooman and Barun Dutta and Gustaaf Borghs and Godfried Dohler and P. Heremans",
year = "2000",
month = dec,
day = "1",
language = "English",
journal = "IEEE Journal of Quantum Electronics",
issn = "0018-9197",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
}