Table 1 Output Characteristic of the Three Different Devices
From: Tapered Quantum Cascade Laser Arrays Integrated with Talbot Cavities
Straight-End | Taper-End | Single | |
|---|---|---|---|
Total Peak Power (W) | 1.3 | 1.6 | 0.41 |
Threshold Current Density (kA/cm2) | 3.7 | 3.4 | 3 |
Slope Efficiency (W/A) | 0.6 | 0.65 | 1 |
Relative power (a.u) | 3.25 | 4 | 1 |