Gain-clamped semiconductor optical amplifier

Details Gain-clamped semiconductor optical amplifier Gain-clamped semiconductor optical amplifier

2005-03-08

2005-03-08

Hellner, Mark (Department: 3663)

Optical: systems and elements

Optical amplifier

Particular active medium

Reexamination Certificate

active

06865020

ABSTRACT:
A gain-clamped semiconductor optical amplifier capable of providing constant gain for output optical signals at substantially all times is disclosed. In particular, the gain-clamped semiconductor optical amplifier according to the present invention comprises a active waveguide having an input and output side; clad layers surrounding the active waveguide; and a grating, which is formed partially at both end parts under the input and output sides of the active waveguide.

REFERENCES:
patent: 5715268 (1998-02-01), Lang et al.
patent: 6563631 (2003-05-01), Delprat et al.

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