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June 15, 2023
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history of semiconductor heterostructures
Created by
Patrick Cameron
⟶ Updated 26 Feb 2020 ⟶
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Events
1978: First QW Laser constructed
1987: Quantum wire (QWR) structures built
1930: Investigation into heterostructures begins
1949: Shockley p-n junction paper published
1963: DH laser theorised
1968: Lasing in DH structures demonstrated
1974: First quantum well (QW) optical effects demonstrated
2009: QLED Proposed
1981: Quantum dot (QD) discovered in glass matrix
2013: First commercial product with QD technology released (Sony XBR X900A TV)
2015: QDs displayed as a featured breakthrough at CES
1985: QDs discovered in colloidal mixture
