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Cavity-length effects of high-temperature high-power continuous-wave characteristics in quantum-cascade lasers
Appl. Phys. Lett. 83, 5136 (2003); doi:10.1063/1.1634689
Issue Date: 22 December 2003
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We report the cavity-length dependent high-temperature high-power cw characteristics in 
=6 µm quantum-cascade lasers with a thick electroplated Au top contact layer. For a high-reflectivity (HR) coated 15 µm wide and 3 mm long laser, the cw operation is achieved up to 313 K (40 °C) with an output power of 17 mW. At 298 K, a very high cw output power of 213 mW is obtained for a HR coated 15 µm wide and 4 mm long laser. Thermal resistance is analyzed at temperatures above 283 K for HR coated lasers with different cavities. ©2003 American Institute of Physics.
=6 µm quantum-cascade lasers with a thick electroplated Au top contact layer. For a high-reflectivity (HR) coated 15 µm wide and 3 mm long laser, the cw operation is achieved up to 313 K (40 °C) with an output power of 17 mW. At 298 K, a very high cw output power of 213 mW is obtained for a HR coated 15 µm wide and 4 mm long laser. Thermal resistance is analyzed at temperatures above 283 K for HR coated lasers with different cavities. ©2003 American Institute of Physics.
| History: | Received 21 August 2003; accepted 24 October 2003 |
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