Laser diode/modulator combination

Details Laser diode/modulator combination Laser diode/modulator combination

1999-12-17

2000-11-14

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

H01S 319, H01S 310

Patent

active

061480177

ABSTRACT:
A monolithically integrated combination of a laser diode and a modulator is provided, in which one region of a common active layer structure is used for the laser and an adjacent region of that layer structure is used for the modulator, and in which the layer structure is an MQW structure with asymmetric potential wells decoupled from one another. The material compositions in the potential wells each have the smallest energy bandgap on the n-type side and are matched to the layer structure in such a way that, when the potential difference is applied in the reverse bias direction, a blue shift of the absorption edge beyond the laser wavelength takes place.

REFERENCES:
patent: 5305343 (1994-04-01), Allovon et al.
patent: 5568311 (1996-10-01), Matsumoto
patent: 6026107 (2000-02-01), Huang
patent: 6066859 (2000-05-01), Stegmueller

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