Optical: systems and elements – Optical amplifier – Particular active medium
Reexamination Certificate
2005-05-17
2005-05-17
Moskowitz, Nelson (Department: 3663)
Optical: systems and elements
Optical amplifier
Particular active medium
Reexamination Certificate
active
06894833
ABSTRACT:
The invention relates to a semiconductor optical amplifier including a buried guide active structure (12), characterized in that the guide active structure (12) is subjected to an external stress to render the gain of said amplifier insensitive to the polarization of the light to be amplified, said external stress coming from a force induced by a deposit of a material (50) against a ridge (15) surrounding said guide active structure (12).
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patent: 5790302 (1998-08-01), Tiemeijer
patent: 5982531 (1999-11-01), Emery et al.
patent: 6487007 (2002-11-01), Morito
patent: 0 935 321 (1999-08-01), None
patent: 11-330630 (2000-02-01), None
Emery Jean-Yves
Goldstein Leon
Pommereau Frederic
Avanex Corporation
Hughes Deandra M.
Moser, Patterson & Sheridan L.L.P.
Moskowitz Nelson
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