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) |
|---|---|
| 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)