Low-divergence surface-emitting terahertz quantum cascade lasers

Keyphrases

• Terahertz Quantum Cascade Laser 100%
• Surface Emitting 100%
• Low Divergence 100%
• Small Beams 50%
• Beam Divergence 50%
• Facet Reflectivity 50%
• Surface Emission 50%
• Single-mode Lasing 50%
• Absorbing Waveguide 50%
• Second-order Grating 50%
• Slope Efficiency 50%
• Grating Design 50%

Physics

• Quantum Cascade Lasers 100%
• Waveguide 50%
• Lasing 50%
• Flat Surface 50%
• Reflectance 50%