- Ridge-width dependence of the threshold of long wavelength (λ ≈ 14 µm) Quantum Cascade lasers with sloped and vertical sidewallsXue Huang
Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA
Opt Express 20:2539-47. 2012..g., for narrow ridge widths below 20 µm, the threshold of a 14 µm wide λ ≈ 14 µm laser by dry etching is ~60% lower than that of a wet-etched laser of the same width, at 80 K...
- Temperature-insensitive long-wavelength (λ ≈14 µm) Quantum Cascade lasers with low thresholdXue Huang
Department of Electrical Engineering, Princeton University, Princeton, NJ 08544 USA
Opt Express 19:8297-302. 2011..0 kA/cm2, a peak output power of ~336 mW, and a slope efficiency of 375 mW/A, all at 300 K, with a high characteristic temperature T0 ~310 K over a wide temperature range from 240 K to 390 K...