Mathematics
Mid-infrared
100%
Quantum Well
44%
Injector
40%
Depletion
37%
Electron
26%
Recovery
25%
Biased
24%
Electron Transport
23%
Heterostructures
22%
Phonon
19%
Pump
16%
Roughness
15%
Probe
15%
Semiconductors
15%
Waveguide
15%
Lifetime
13%
Scattering
11%
Distinct
9%
Quantum Cascade Laser
8%
Design
8%
Engineering & Materials Science
Quantum cascade lasers
94%
Resonant tunneling
59%
Semiconductor quantum wells
54%
Stimulated emission
34%
Phonon scattering
31%
Electron Transport
27%
Electron tunneling
27%
Carrier transport
27%
Recovery
23%
Heterojunctions
22%
Waveguides
17%
Electrons
17%
Semiconductor materials
15%
Surface roughness
14%
Pumps
13%
Temperature
6%
Chemical Compounds
Resonant Tunneling
91%
Mid-IR Spectroscopy
66%
Injector
64%
Stimulated Emission
35%
Phonon
29%
Electron Particle
28%
Tunneling
26%
Pump
25%
Electron Transport
25%
Semiconductor
19%
Probe
15%
Ambient Reaction Temperature
14%
Physics & Astronomy
quantum cascade lasers
58%
resonant tunneling
30%
injectors
26%
pulses
25%
depletion
22%
recovery
21%
quantum wells
20%
electron tunneling
14%
stimulated emission
14%
lasing
11%
electrons
11%
roughness
10%
pumps
9%
phonons
8%
life (durability)
8%
waveguides
8%
thresholds
8%
probes
7%
room temperature
7%
scattering
6%