Cavity-length effects of high-temperature high-power continuous-wave characteristics in quantum-cascade lasers
- 17 December 2003
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 83 (25) , 5136-5138
- https://doi.org/10.1063/1.1634689
Abstract
We report the cavity-length dependent high-temperature high-power cw characteristics in λ=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.Keywords
This publication has 9 references indexed in Scilit:
- High-power continuous-wave operation of a 6 μm quantum-cascade laser at room temperatureApplied Physics Letters, 2003
- Very high average power at room temperature from λ≈5.9-μm quantum-cascade lasersApplied Physics Letters, 2003
- Continuous-wave operation of terahertz quantum-cascade lasersIEEE Journal of Quantum Electronics, 2003
- High performance quantum cascade lasers at λ∼6 μmMicroelectronics Journal, 2003
- High-power (λ∼9 μm) quantum cascade lasersApplied Physics Letters, 2002
- Continuous Wave Operation of a Mid-Infrared Semiconductor Laser at Room TemperatureScience, 2002
- Continuous-wave operation of a 5.2 μm quantum-cascade laser up to 210 KApplied Physics Letters, 2001
- Quantum Cascade LaserScience, 1994
- Thermal behavior of visible AlGaInP-GaInP ridge laser diodesIEEE Journal of Quantum Electronics, 1992