High-performance superlattice quantum cascade lasers

Engineering & Materials Science

• Quantum cascade lasers 100%
• Semiconductor quantum wells 51%
• Lasers 42%
• Doping (additives) 37%
• Wavelength 29%
• Optical transitions 23%
• Threshold current density 21%
• Electric fields 20%
• Electric space charge 14%
• Relaxation time 14%
• Semiconductor lasers 13%
• Infrared radiation 9%
• Temperature 8%
• Modulation 8%
• Electric potential 5%

Physics & Astronomy

• quantum cascade lasers 61%
• cascades 29%
• quantum wells 25%
• performance 24%
• lasers 24%
• oscillator strengths 23%
• modulation doping 16%
• wavelengths 15%
• population inversion 13%
• electric fields 13%
• room temperature 12%
• Brillouin zones 11%
• optical transition 11%
• threshold currents 11%
• injectors 11%
• high current 10%
• space charge 9%
• relaxation time 8%
• semiconductor lasers 8%
• current density 7%
• conduction 7%
• thresholds 6%
• electric potential 5%