Tunable laser source with integrated optical modulator

Details Tunable laser source with integrated optical modulator Tunable laser source with integrated optical modulator

2008-01-31

2009-11-24

Booth, Richard A. (Department: 2812)

Semiconductor device manufacturing: process

Making device or circuit emissive of nonelectrical signal

Including integrally formed optical element

C438S032000, C438S033000

Reexamination Certificate

active

07622315

ABSTRACT:
A tunable laser source with integrated optical modulator. The tunable laser source is a widely tunable semiconductor laser that is comprised of an active region on top of a thick, low bandgap, waveguide layer, wherein both the waveguide layer and the active region are fabricated between a p-doped region and an n-doped region. An electro-absorption modulator is integrated into the semiconductor laser, wherein the electro-absorption modulator shares the waveguide layer with the semiconductor laser.

REFERENCES:
patent: 5158908 (1992-10-01), Blonder et al.
patent: 5500916 (1996-03-01), Cirelli et al.

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