Optical amplifier

Details Optical amplifier Optical amplifier

2006-06-23

2008-10-21

Leung, Quyen P (Department: 2874)

Optical: systems and elements

Optical amplifier

Correction of deleterious effects

C359S341300

Reexamination Certificate

active

07440172

ABSTRACT:
An doped fiber optical amplifier featuring an optical component having first wavelength division multiplexer, an isolator and a second wavelength division multiplexer is described. The isolator supports the propagation of optical signals within a predetermined signal wavelength range in one direction. Pump signals having a wavelength within a pump wavelength range are diverted by the wavelength division multiplexers to inhibit coupling of the pump signals with the isolator. The optical amplifier supports the use of relatively high-powered optical pump lasers. The optical component is optically disposed between different lengths of doped fiber and serves to reduce optical noise within the amplifier.

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