Multiwaveguide SOA for increased saturation power without noise penalty

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Multiwaveguide SOA for increased saturation power without noise penalty

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Multiwaveguide SOA for increased saturation power without noise penalty The authors present a new semiconductor optical amplifier (SOA) concept, the multiwaveguide SOA (MWG-SOA), which associates N parallel SOAs and yields a 10log(N) dB saturation power increase without noise penalty, for the same small-signal gain as each single SOA. The MWG-SOA concept is experimentally validated.

Inspec keywords: optical communication equipment; optical waveguides; semiconductor optical amplifiers; optical couplers

Other keywords: multimode interference couplers; semiconductor optical amplifier; multiwaveguide SOA; saturation power improvement

Subjects: Semiconductor lasers; Design of specific laser systems; Optical waveguides; Optical communication devices, equipment and systems; Lasing action in semiconductors; Optical waveguides and couplers; Optical communication equipment

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