Direct Observation of Cross-Phase-Modulation-Induced Nonlinear Phase Noise
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概要
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This paper reports a quantitative investigation of the nonlinear phase noise (NLPN) in dispersion-shifted and single-mode optical fibers, which is induced by amplified spontaneous emission (ASE) noise through cross-phase modulation. The phase noise power spectral density (PN-PSD) of a probe light, which is transmitted through the fibers and is affected by the copropagating ASE, is precisely measured with the delayed self-heterodyne method. The observed PN-PSDs agree well with the theory that takes account of the group velocity dispersion of the fiber and the polarization states of the propagating lights.
- 2013-06-25
著者
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Tsuchida Hidemi
National Inst. Of Advanced Industrial Sci. And Technol. (aist) Ibaraki Jpn
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Tsuchida Hidemi
National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8568, Japan
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