Mid-infrared interband cascade light emitting devices with milliwatt output powers at room temperature
Abstract
We demonstrate incoherent light emission peaked at λ = 3.3 μm from a 15-stage interband cascade active region. The interband cascade light emitting devices with mesa diameters ranging from 50 to 400 μm were mounted epitaxial-side-down, and light was extracted from the substrate side. At an applied bias of 8.7 V and injection current of 0.6 A, and without any measures taken to improve the poor out-coupling efficiency caused by total internal reflection, a 400-μm-diameter device produced 1.6 mW of continuous-wave output power at T = 25 °C. Mesas with smaller diameters displayed emission intensities as high as 1.7 W/cm2.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Jun 30, 2014
- Source ID
- 10.1063/1.4886394
Entities
People
- C. D. Merritt
- C. L. Canedy
- Chul Soo Kim
- I. Vurgaftman
- J. Abell
- J. R. Meyer
- Min Suk Kim
- W. W. Bewley
Organizations
- Office of Naval Research
- United States Naval Research Laboratory