| Design and parametric amplification analysis of dispersion-flat photonic crystal fibers |
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| 作者姓名： | 汪井源 高明义 姜淳 胡卫生 |
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| 作者单位： | State Key Laboratory of Advanced Optical Communication Systems and Networks，Shanghai Jiao Tong University，Shanghai 200030，Institute of Communications Engineering，PLA University of Science and Technology，Nanjing 210007Received November 26，2004，State Key Laboratory of Advanced Optical Communication Systems and Networks，Shanghai Jiao Tong University，Shanghai 200030，State Key Laboratory of Advanced Optical Communication Systems and Networks，Shanghai Jiao Tong University，Shanghai 200030，State Key Laboratory of Advanced Optical Communication Systems and Networks，Shanghai Jiao Tong University，Shanghai 200030 |
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| 基金项目： | This work was supported by the National Natural Sci- ence Foundation of China under Grant No. 60377023. |
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| 摘 要： | ![]()
In recent years, a new type of broadband amplifier, fiber optical parametric amplifier (FOPA) has been investi- gated, which utilizes four-wave mixing (FWM) to amplify the signals and offers a broadband amplification at arbi- trary wavelengths[1]. Though simple single-pump FOPA could offer a gain bandwidth of more than 200 nm, the gain spectrum is not flat over the amplifier bandwidth but has a difference as high as 15 dB between the lowest and the highest values, which brings to the diffi…
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