Integrated laser device with refractive index modulator

Details Integrated laser device with refractive index modulator Integrated laser device with refractive index modulator

1988-06-07

1989-03-28

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 20, 372 26, 372 28, 372 96, H01S 319

Patent

active

048171050

ABSTRACT:
The present invention provides a laser device comprising a substrate; an active layer; a multi-quantum-well layer disposed on one side of the active layer and optically coupled therewith; a diffraction grating layer disposed on a side of the active layer and optically coupled therewith; and a device for applying a reverse voltage to the multi-quantum-well layer. The laser device can generate a light output, with its wavelength being controlled electrically for a 350 .ANG. range at a 1.55 .mu.m wavelength.

REFERENCES:
patent: 4349906 (1982-09-01), Seifres et al.
patent: 4475200 (1984-10-01), Lee
patent: 4534033 (1985-08-01), Nishizawa et al.

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