Gain-coupled distributed quantum cascade laser

Details Gain-coupled distributed quantum cascade laser Gain-coupled distributed quantum cascade laser

2008-03-25

2008-03-25

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

Reexamination Certificate

active

07349456

ABSTRACT:
Purely gain-coupled diffraction gratings may be realized for use in QCLs and other edge emitting lasers that lack a typical p-n junction. The periodic, typically heavily n-doped regions of doped diffraction gratings are replaced with p-type regions having significantly lower doping.

REFERENCES:
patent: 4831629 (1989-05-01), Paoli et al.
patent: 5457709 (1995-10-01), Capasso et al.
patent: 2004/0013145 (2004-01-01), Faist et al.

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