Light Interactive semiconductor device including wire connection

Details Light Interactive semiconductor device including wire connection Light Interactive semiconductor device including wire connection

1996-01-18

1997-11-04

Bovernick, Rodney B.

Coherent light generators

Particular active media

Semiconductor

372 46, 372 49, 372 87, 359344, H01S 319, H01S 3097, H01S 300

Patent

active

056848161

ABSTRACT:
An optical semiconductor device includes an active layer through which light travels, having opposed first and second surfaces; a semiconductor layer of a first conductivity type disposed on the first surface of the active layer; a first electrode contacting the first conductivity type semiconductor layer; a semiconductor layer of a second conductivity type, opposite the first conductivity type, disposed on the second surface of the active layer; a second electrode contacting the second conductivity type semiconductor layer; a wire bonded to one of the first and second electrodes at a position in the resonator length direction corresponding to a localized maximum of a light density distribution in the active layer along the resonator length direction. Current is injected into the device opposite the localized maximum point of the light density distribution in the active layer so that the current density distribution in the active layer along the resonator length direction is proportional to the light density distribution and has a localized maximum at a position approximately at the localized maximum of the light density distribution. Therefore, the carrier density distribution caused by the light density distribution along the resonator length direction is canceled by the current density distribution, whereby the carrier density in the active layer along the resonator length direction is made uniform.

REFERENCES:
patent: 3660780 (1972-05-01), Iida et al.
patent: 3790902 (1974-02-01), Miller
patent: 4796273 (1989-01-01), Yamaguchi
patent: 4905245 (1990-02-01), Ponjee et al.
patent: 4951291 (1990-08-01), Miyauchi et al.
patent: 5012478 (1991-04-01), Hattori et al.
patent: 5088105 (1992-02-01), Scifres et al.
patent: 5412496 (1995-05-01), Nakajima et al.

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