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Conference Paper
Emission of Dual Wavelengths in a Quantum Cascade Laser
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- Authors
- Gyung Ock Kim, Ki Suk Chang, In Gyoo Kim, Ki Joong Lee
- Issue Date
- 2007-08
- Citation
- Conference on Lasers and Electro-Optics/Pacific Rim (CLEO/PR) 2007, pp.1-2
- Language
- English
- Type
- Conference Paper
- Abstract
- The emission spectra of quantum cascade lasers measured as a function of current show two wavelength peaks, separated by 100 to ~400 nm. The optical output vs current curves also exhibit two separate structures at low duty cycles, indicating two different lasing conditions originating from two different transition levels.