Semiconductor laser device

Details Semiconductor laser device Semiconductor laser device

2006-11-30

2010-06-15

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

Reexamination Certificate

active

07738521

ABSTRACT:
A super-lattice structure is used for a portion of a laser device of a self-aligned structure to lower the resistance of the device by utilizing the extension of electric current in the layer, paying attention to the fact that the lateral conduction of high density doping in the super-lattice structure is effective for decreasing the resistance of the laser, in order to lower the operation voltage and increase the power in nitride type wide gap semiconductor devices in which crystals with high carrier density are difficult to obtain and the device resistance is high.

REFERENCES:
patent: 5638392 (1997-06-01), Ramdani et al.
patent: 5665977 (1997-09-01), Ishibashi et al.
patent: 6741623 (2004-05-01), Ishikawa et al.
patent: 2002/0110945 (2002-08-01), Kuramata et al.
patent: 2005/0139856 (2005-06-01), Hino et al.
patent: 2003-179314 (2003-06-01), None
19thIEEE International Semiconductor Conference, 63p.

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