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- W2061845461 abstract "A semiconductor QD fiber amplifier (SQDFA) is proposed and theoretically researched. The fiber amplifier makes use of a tapered twin SMF coupler and a PbS QD-film is coated on the surface of it. In the tapered region, QDs will be excited by the evanescent wave of a pump and produce a gain on signal. The fiber coupler is properly designed to ensure a desired power ratio of the output signal. Using a 1530-nm signal and a 980-nm pump, an optical gain of about 8 dB is achieved with a gain efficiency of 3.48dB/cm. This SQDFA has unique advantages including suppression to the amplified spontaneous emission (ASE), simple fabrication and lower insertion loss and thus has a great potential in fiber communication systems." @default.
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- W2061845461 date "2010-12-26" @default.
- W2061845461 modified "2023-09-23" @default.
- W2061845461 title "QD fiber amplifier using a fiber coupler with a PbS QD-film" @default.
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- W2061845461 doi "https://doi.org/10.1117/12.888594" @default.
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