Title :
Sub-300 nm UV LEDs with defect reduction layer and vertical-injection architecture
Author :
Chua, Christopher ; Yang, Zhihong ; Knollenberg, Clifford ; Teepe, Mark ; Johnson, Noble
Author_Institution :
Palo Alto Res. Center, Palo Alto, CA, USA
Abstract :
We present UV LEDs operating at wavelengths below 300 nm. The heterostructure features a defect reduction layer that bends threading dislocations away from the active region. Vertical-injection structures were fabricated via laser lift-off.
Keywords :
light emitting diodes; UV LED; active region; defect reduction layer; laser lift-off; threading dislocations; vertical-injection architecture; vertical-injection structures; wavelength 300 nm; Aluminum gallium nitride; Gallium nitride; Lasers; Light emitting diodes; Substrates; Superlattices;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
