Hybrid integrated optical communication module comprising...

Optical: systems and elements – Optical amplifier – Particular active medium

Reexamination Certificate

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C372S050220, C385S130000

Reexamination Certificate

active

07495826

ABSTRACT:
An optical signal amplifier capable of compensating the attenuation of optical signals during transmission is provided. The optical signal amplifier includes: a substrate having first and second surfaces opposing each other and a recess formed on the first surface; an LED (light emitting diode) mounted within the recess to output pumping light; and an SRSO (silicon rich silicon oxide) optical amplifier for amplifying an input optical signal using the pumping light and outputting the amplified signal.

REFERENCES:
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patent: 2003/0190108 (2003-10-01), Shin et al.
patent: 2004/0136681 (2004-07-01), Drewery et al.
patent: 2004/0151461 (2004-08-01), Hill
patent: 2004/0214362 (2004-10-01), Hill et al.
patent: 2004/0252738 (2004-12-01), Hill
Kik et al., “Gain limiting processes in Er-doped Si nanocrystal waveguides in SiO2”,Journal of Applied Physics, vo. 91, No. 1, pp. 534-536 (Jan. 1, 2002).
Seo et al. “Rare-earth-doped nanocrystalline silicon: excitation adn de-excitation mechanisms and implications for waveguide amplifier applications”, Proceedings of SPIE, vo. 4282, pp. 174-184 (2001).

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