ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Nonlinear performances of dual-pump amplifiers in silicon waveguides |
Meng Fan(孟凡)†, Yu Chong-Xiu(余重秀), Deng Yun-Yi(邓云逸), and Yuan Jin-Hui(苑金辉) |
State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Post and Telecommunications), Beijing 100876, China |
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Abstract The performances of a dual-pump parametric and Raman amplification process and the wavelength conversion in silicon waveguides are investigated. By setting the Raman contribution fraction f to be 0.043 in our analytical model, the amplification gain of the probe signal can be obtained to be over 10 dB. The pump transfer noise (PTN), the quantum noise (QN), and the total noise figure (TNF) are discussed, and the TNF has a constant value of about 4 dB in the gain bandwidth. An idler signal generated during the parametric amplification (PA) process can be used to realize the wavelength conversion in wavelength division multiplexing (WDM) systems. In addition, the pump signal parameters, the generated free carrier lifetime and effective mode area (EMA) of the waveguide are analysed for the optimization of signal gain and noise characteristics.
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Received: 29 June 2011
Revised: 26 October 2011
Accepted manuscript online:
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PACS:
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42.25.Bs
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(Wave propagation, transmission and absorption)
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42.65.Dr
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(Stimulated Raman scattering; CARS)
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42.65.Wi
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(Nonlinear waveguides)
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42.65.Yj
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(Optical parametric oscillators and amplifiers)
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Fund: Project supported by the State Key Development Program for Basic Research of China (Grant No. 2010CB327605), the Discipline Co-construction Project of Beijing Municipal Commission of Education, China (Grant No. YB20081001301), and the Fundamental Research Funds for Central Universities, China (Grant Nos. 2011RC008 and 2009RC0314). |
Corresponding Authors:
Meng Fan,mengfan3426@bupt.edu.cn
E-mail: mengfan3426@bupt.edu.cn
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Cite this article:
Meng Fan(孟凡), Yu Chong-Xiu(余重秀), Deng Yun-Yi(邓云逸), and Yuan Jin-Hui(苑金辉) Nonlinear performances of dual-pump amplifiers in silicon waveguides 2012 Chin. Phys. B 21 044202
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