書誌事項
- タイトル別名
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- Experimental studies of optical Raman amplifiers for a 1.3μm wavelength band and its application to 20Gbit/s×2 WDM transmissions
- 1 3マイクロmタイ ラマン ゾウフク ト コレ オ モチイタ 20Gbit s 2 ハチョウ タジュウ デンソウ
- Experimental studies of optical Raman amplifiers for a 1.3μm wavelength band and its application to 20Gbit/s×2 WDM transmissions
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Configurations of a Raman amplifier suitable for a 1.3-μm wavelength band are discussed and their properies are experimentally investigated. A pump light with a wavelength of 1.23-μm that is necessary for the Raman amplification in the 1.3-μm wavelength band is obtained using a 1.06-μm fiber laser and a Raman laser technique. Concerning the Raman laser, wavelength conversion from 1.06-μm to 1.23-μm is effectively achieved using a cavity configuration including fiber bragg gratings and a dispersion shifted fiber. On the other hand, a conventional dispersion compensation fiber which has an essential property of high non-linearity is applied in order to obtain large gain at 1.3-μm Net gain of 35 dB and ouput power of 15 dBm are achieved. To confirm the applicability of the Raman amplifiers to high-speed optical transmissions, experiments of 20 Gbit/s×2 WDM repeaterless transmission through a 80-km conventional single mode fiber is carried out. The 1.3-μm signal should be degraded due to the dispersion caused by the dispersion compensation fiber in the Raman amplifier. However, bit error rate of less than 10-12 is obtained at both wavelengths, which is enough performance for a practical use.
収録刊行物
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- 電気学会論文誌Ｃ（電子・情報・システム部門誌）
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電気学会論文誌Ｃ（電子・情報・システム部門誌） 122 (4), 557-563, 2002
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390282679587543040
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- NII論文ID
- 130006845733
- 10007983954
- 10015168468
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- NII書誌ID
- AN10065950
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- ISSN
- 13488155
- 03854221
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- NDL書誌ID
- 6123058
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