1.3 μm Traveling-Wave GaInNAs Semiconductor Optical Amplifier
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概要
- 論文の詳細を見る
We fabricated a GaInNAs semiconductor optical amplifier (SOA) by applying a facet coating to a buried-ridge-stripe GaInNAs laser. Due to a low reflectivity (${<}0.1$%) and a wide bandwidth (70 nm) coating, Fabry–Perot (FP) modes of the GaInNAs laser were suppressed sufficiently, and thus a 1.3 μm traveling-wave GaInNAs SOA was realized for the first time. Peak chip gains of more than 9.6 dB and a 3-dB-gain bandwidth above 49 nm (9 THz) were obtained simultaneously with a cavity length between 600 μm and 900 μm. In addition, on/off ratios between 20 and 30 dB were obtained by switching the current on and off, which seems sufficient for the SOA to work as a switching device. With the temperature characteristics, we found that the ASE intensity and the gain coefficient of the GaInNAs SOA were much less dependent on temperature than those of conventional InP-based SOAs. These results demonstrate the superior temperature characteristics of the GaInNAs SOA compared with conventional InP-based SOAs.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2004-06-15
著者
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Iguchi Yasuhiro
Optoelectronic Industry And Technology Development Association (oitda)
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Takagishi Shigenori
Transmission Device R&D Laboratories, Sumitomo Electric Industries, LTD., 1, Taya-cho, Sakae-ku, Yokohama 244-8588, Japan
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Katsuyama Tsukuru
Optoelectronic Industry and Technology Development Association (OITDA), 1 Taya-cho, Sakae-ku, Yokohama 244-8588, Japan
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Hashimoto Jun-ichi
Optoelectronic Industry and Technology Development Association (OITDA), 1 Taya-cho, Sakae-ku, Yokohama 244-8588, Japan
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Hashimoto Jun-ichi
Optoelectronic Industry and Technology Development Association (OITDA), 1, Taya-cho, Sakae-ku, Yokohama 244-8588, Japan
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Koyama Kenji
Optoelectronic Industry and Technology Development Association (OITDA), 1, Taya-cho, Sakae-ku, Yokohama 244-8588, Japan
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Yamada Takashi
Optoelectronic Industry and Technology Development Association (OITDA), 1, Taya-cho, Sakae-ku, Yokohama 244-8588, Japan
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Ito Masashi
Transmission Device R&D Laboratories, Sumitomo Electric Industries, LTD., 1, Taya-cho, Sakae-ku, Yokohama 244-8588, Japan
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Ishida Akira
Optoelectronic Industry and Technology Development Association (OITDA), 1, Taya-cho, Sakae-ku, Yokohama 244-8588, Japan
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Koyama Kenji
Optoelectronic Industry and Technology Development Association (OITDA), 1 Taya-cho, Sakae-ku, Yokohama 244-8588, Japan
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Ishida Akira
Optoelectronic Industry and Technology Development Association (OITDA), 1 Taya-cho, Sakae-ku, Yokohama 244-8588, Japan
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