Higher order nonlinearity and synchronization of quantum cascade lasers
✍ Scribed by Taraprasad Chattopadhyay; Prosenjit Bhattacharyya
- Book ID
- 107509873
- Publisher
- Tianjin University of Technology
- Year
- 2011
- Tongue
- English
- Weight
- 214 KB
- Volume
- 7
- Category
- Article
- ISSN
- 1673-1905
No coin nor oath required. For personal study only.
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## Abstract We present high power mid‐infrared surface‐emitting single mode GaAs‐based quantum cascade lasers (QCLs). By using an air‐AlGaAs waveguide combined with second‐order distributed feedback processing, we obtained optical output, via the surface, above 3W. Surface‐normal dual‐lobe light em
Results are presented for two GaAs/AlGaAs quantum cascade laser (QCL) structures that emit at frequencies of 2.59 and 2.75 THz. Both structures have a nominally identical, bound-to-continuum active region design, and the difference between their emission frequencies is interpreted as resulting from