Semiconductor laser element

Details Semiconductor laser element Semiconductor laser element

2006-06-27

2006-06-27

Vannucci, James (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

C372S044010, C372S045013, C372S043010

Reexamination Certificate

active

07068695

ABSTRACT:
A semiconductor laser element, enhanced in light output power without decreasing the reliability, has a window structure including window regions wider in bandgap than the emission region of the laser, in which the bandgap of the rear window region is narrower than the bandgap of the front window region.

REFERENCES:
patent: 4989050 (1991-01-01), Gaw et al.
patent: 5544188 (1996-08-01), Takiguchi et al.
patent: 5557700 (1996-09-01), Nakamura et al.
patent: 6738403 (2004-05-01), Kuniyasu et al.
patent: 2001-015864 (2001-01-01), None
patent: 2001-203423 (2001-07-01), None

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