Abstract
High performance index-coupled quantum cascade distributed feedback (QC-DFB) lasers operating at λ≈8.5μm are reported. Reliable dynamic single-mode emission with a side mode suppression ratio ≥30dB 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.
Original language | English (US) |
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Pages (from-to) | 1430-1432 |
Number of pages | 3 |
Journal | Applied Physics Letters |
Volume | 72 |
Issue number | 12 |
DOIs | |
State | Published - 1998 |
Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Physics and Astronomy (miscellaneous)