Continuous-wave and high-power pulsed operation of index-coupled distributed feedback quantum cascade laser at λ≈8.5 μm
- 23 March 1998
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 72 (12) , 1430-1432
- https://doi.org/10.1063/1.120585
Abstract
High performance index-coupled quantum cascade distributed feedback (QC-DFB) lasers operating at are reported. Reliable dynamic single-mode emission with a side mode suppression ratio is obtained. The continuous single-mode tuning range is 140 nm. In pulsed operation a record high peak output power of 60 mW at 300 K is achieved. We further report on the first continuous-wave QC-DFB lasers. These devices display an output power of 10 mW at 120 K.
Keywords
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