Bi-directional dual color mid-IR light emitting diodes. (December 2016)

• Record Type: Journal Article
• Authors: Suchalkin, S.; Lin, Y.; Shterengas, L.; Kipshidze, G.; Westerfeld, D.; Belenky, G.
• Is Part Of: Superlattices and microstructures. Volume 100(2016)
• Page Start: 142
• Page End: 147
• Publication Date: 2016-12
• Subjects: Superlattices as materials -- Periodicals; Microstructure -- Periodicals; Semiconductors -- Periodicals; Superréseaux -- Périodiques; Microstructure (Physique) -- Périodiques; Semiconducteurs -- Périodiques; 621.38152
• DOI: 10.1016/j.spmi.2016.09.019
• Languages: English
• ISSNs: 0749-6036

Abstract

Abstract: We demonstrate a two-contact, bi-directional, dual color light emitting diode with superlattice active regions operated at wavelengths near 4 μm and 8 μm. The operational wavelength of the device is controlled by the bias polarity. A modification of the long wavelength superlattice facilitated hole transport into the corresponding active region and lead to a more than fourfold increase in output optical power. Highlights: A bi-directional infrared dual color Light Emitting Diode (LED) is demonstrated. The operation wavelength of the LED is controlled y the polarity of the bias. Modification of the LED active region lead to fourfold increase of the output power.