Surface-acoustic-wave driven planar light-emitting device
Marco Cecchini (1), Giorgio De Simoni (1), Vincenzo Piazza (1), Fabio, Beltram (1), H. E. Beere (2), D. A. Ritchie (2) ((1) NEST-INFM, Scuola, Normale Superiore, Pisa, Italy, (2) Cavendish Laboratory, University of, Cambridge, Cambridge, United Kingdom)
TL;DR
This paper demonstrates the control of electroluminescence in planar light-emitting diodes using surface acoustic waves, showcasing a novel approach for advanced optoelectronic device integration at cryogenic temperatures.
Contribution
It introduces a new method of controlling light emission in pLEDs via surface acoustic waves integrated with interdigital transducers.
Findings
Electroluminescence can be modulated by SAWs in pLEDs.
The integrated scheme works at cryogenic temperatures.
Potential for advanced optoelectronic architectures.
Abstract
Electroluminescence emission controlled by means of surface acoustic waves (SAWs) in planar light-emitting diodes (pLEDs) is demonstrated. Interdigital transducers for SAW generation were integrated onto pLEDs fabricated following the scheme which we have recently developed. Current-voltage, light-voltage and photoluminescence characteristics are presented at cryogenic temperatures. We argue that this scheme represents a valuable building block for advanced optoelectronic architectures.
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