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- Title
Quantum cascade celebration.
- Abstract
The author reflects on the 20th anniversary of the demonstration of the quantum cascade laser (QCL) in 2014. The author states that QCLs employ optical transitions between subband states in semiconductor multi-quantum wells to generate light, with possible control of the emission wavelength from the mid-infrared to terahertz (THz) wave range. The author notes that a QCL school and workshop to be held in Italy in September 2014 will address current application developments.
- Subjects
ANNIVERSARIES; QUANTUM cascade lasers; OPTICAL transient phenomena; SEMICONDUCTOR quantum wells; ADULT education workshops
- Publication
Nature Photonics, 2014, Vol 8, Issue 8, p577
- ISSN
1749-4885
- Publication type
Article
- DOI
10.1038/nphoton.2014.178