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High-resolution (Doppler-limited) spectroscopy using quantum-cascade distributed-feedback lasers

✍ Scribed by Sharpe, S. W.; Kelly, J. F.; Hartman, J. S.; Gmachl, C.; Capasso, F.; Sivco, D. L.; Baillargeon, J. N.; Cho, A. Y.

Book ID
115423190
Publisher
Optical Society of America
Year
1998
Tongue
English
Weight
253 KB
Volume
23
Category
Article
ISSN
0146-9592

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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