Deeply etched waveguide structures for quantum cascade lasers
✍ Scribed by S. Schartner; S. Golka; C. Pflügl; W. Schrenk; G. Strasser
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 224 KB
- Volume
- 83
- Category
- Article
- ISSN
- 0167-9317
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Spectroscopy -the often academic science of determining the chemical composition of a material by analysing its spectral properties -is gearing up to become the next application area to be invaded by the commercial revolution in compound semiconductors. This is thanks to the capability of the Qu
## Abstract Optical waveguide structures of InP‐based quantum cascade lasers (QCLs) are theoretically analyzed and designed using the finite element method. The optical confinement factor (__Γ__) and absorption coefficient (__α__) of the waveguide structures for __λ__ ∼ 4.6, 6, 8.8, and 9.5 µm QCLs
The dependence of waveguide design parameters on the performance of a GaAs=AlGaAs quantum cascade laser emitting at 77 m is theoretically evaluated. We propose a new waveguiding scheme for modal conÿnement at such long wavelengths. An artiÿcially tailored index layer and a plasmon enhanced layer act