| Autor: |
Feng Xie, Caneau, Catherine G., LeBlanc, Herve P., Ming-tsung Ho, Jie Wang, Chaparala, Satish, Hughes, Lawrence C., Chung-en Zah |
| Předmět: |
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| Zdroj: |
Applied Physics Letters; 2/17/2014, Vol. 104 Issue 7, p071109-1-071109-4, 4p, 6 Graphs |
| Abstrakt: |
High temperature continuous-wave (CW) operation of a distributed Bragg reflector (DBR) quantum cascade laser is demonstrated up to a heat sink temperature of 80 °C. A CW output power of 2W and a single mode operation with side mode suppression ratio of 30 dB around wavelength of 4.48 μm were achieved at 20 °C. The maximum pulsed and CW wall-plug-efficiencies reached 14.7% and 10.3% at 20 °C, respectively. A large tuning range of 5 cm-1 between mode hopping was observed and attributed to the thermal cross-talk from the gain section to the DBR section. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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