High power, multi-stage doped optical amplifier

Details High power, multi-stage doped optical amplifier High power, multi-stage doped optical amplifier

H - Electricity

04

B

H04B 10/17 (2006.01) H01S 3/067 (2006.01) H01S 3/23 (2006.01)

Patent

CA 2319280

A high power optical amplifier with multiple outputs is formed by using a preamplifier stage (such as an EDFA), followed by a power splitter/WDM router (forming the desired number of M separate optical outputs). Each preamplified/split output is then separately amplified in a high power amplifier, such as a erbium-ytterbium co-doped amplifier. The power loss associated with the signal splitting thus occurs prior to imparting the high power gain onto the optical signals, allowing for a plurality of high power optical outputs to be formed.

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