terahertz quantum-cascade lasers
(
3
)
fishes
(
2
)
oscillator strengths
(
2
)
waterfowl
(
2
)
acid pollution of rivers, lakes, etc
(
1
)
acid precipitation
(
1
)
acid rain
(
1
)
adjust layer
(
1
)
band-to-band photoluminescence
(
1
)
cascade connections
(
1
)
contrast ratio
(
1
)
coupling strengths
(
1
)
defects
(
1
)
density matrix formalism
(
1
)
design
(
1
)
device optimization
(
1
)
devices under tests
(
1
)
effect of water pollution on
(
1
)
effect of water quality on
(
1
)
electric field domain
(
1
)
electrical instability
(
1
)
electronic distribution
(
1
)
electronic temperature
(
1
)
environmental aspects
(
1
)
etching
(
1
)
experimental measurements
(
1
)
fabricated device
(
1
)
food
(
1
)
gallium arsenide
(
1
)
gold
(
1
)