Fast electro-optical switching of single-barrier tunneling LEDs

I. Romandic; N. Zurauskiene; F. Van Bragt; Etienne Goovaerts; Chris A. Van Hoof; Gustaaf Borghs

doi:10.1117/12.417610

8 March 2001 Fast electro-optical switching of single-barrier tunneling LEDs

I. Romandic, N. Zurauskiene, F. Van Bragt, Etienne Goovaerts, Chris A. Van Hoof, Gustaaf Borghs

Proceedings Volume 4318, Smart Optical Inorganic Structures and Devices; (2001) https://doi.org/10.1117/12.417610
Event: Advanced Optical Materials and Devices, 2000, Vilnius, United States

Abstract

We have studied the optical response of two single-barrier AlAs/GaAs tuneling-based light-emitting diodes (TLED's) excited by very fast electrical pulses (transition times of less than 100 ps). The grown TLED's were identical except for the barrier width, which was chosen to be 4 and 6 nm, respectively. Streak-camera time-resolved spectra were recorded at room and liquid-nitrogen temperature, while simultaneously monitoring the current and voltage pulses. Both diodes show very fast switch-on and switch-off, with the room temperature 3-dB modulation bandwidth of 3 GHz for the 6 nm sample and 1.8 GHz for the 4 nm TLED.

Citation Download Citation

I. Romandic, N. Zurauskiene, F. Van Bragt, Etienne Goovaerts, Chris A. Van Hoof, and Gustaaf Borghs "Fast electro-optical switching of single-barrier tunneling LEDs", Proc. SPIE 4318, Smart Optical Inorganic Structures and Devices, (8 March 2001); https://doi.org/10.1117/12.417610

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