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Mar 13
Local droplet etching yields more symmetric quantum dots for integrated photonics
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Phys.org - News And Articles On Science And Technology
1.
What do light-based quantum technologies like quantum communication and photonic quantum computing require?
A
Reliable sources of individual photons
B
Reliable sources of entangled photons
C
Reliable sources of protons
D
Reliable sources of electrons
2.
What are semiconductor quantum dots promising candidates for in light-based quantum technologies?
A
Generating electricity
B
Generating light at random frequencies
C
Confining electrons and holes
D
Conducting heat
3.
What property of semiconductor quantum dots causes them to emit light at well-defined frequencies?
A
Electrical conductivity
B
Magnetic properties
C
Heat resistance
D
Chemical stability
4.
What is the conductivity of semiconductor quantum dots between?
A
Conductors and insulators
B
Metals and insulators
C
Conductors and superconductors
D
Insulators and superconductors
5.
What do semiconductor quantum dots emit when excited by a laser?
A
Heat
B
Light at random frequencies
C
Electrons
D
Light at well-defined frequencies
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