Quantum-dot cascade laser

Details Quantum-dot cascade laser Quantum-dot cascade laser

1996-03-29

1997-11-25

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 45, 372 46, H01S 319

Patent

active

056920032

ABSTRACT:
A quantum-dot cascade laser which eliminates single phonon decays associated with quantum-well devices. The elimination of single phonon decays is realized by a three-dimensional confinement resulting in a several-order-of-magnitude reduction in the threshold current. Dot size, dot density and dot uniformity requirements are presented along with several embodiments.

REFERENCES:
patent: 5509025 (1996-04-01), Capasso et al.
patent: 5559822 (1996-09-01), Pankove et al.

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