Effects of Input Spectra on the Threshold of Modulation Instability in a Single-Mode Fiber
CHEN Wei,MENG Zhou**,ZHOU Hui-Juan,LUO Hong
Department of Optic Information Science and Technology, College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha 410073
Effects of Input Spectra on the Threshold of Modulation Instability in a Single-Mode Fiber
CHEN Wei,MENG Zhou**,ZHOU Hui-Juan,LUO Hong
Department of Optic Information Science and Technology, College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha 410073
摘要We investigate modulation instability (MI) in the presence of a monochromatic spectrum and on the background of a broadband amplified spontaneous emission spectrum induced by an erbium-doped fiber amplifier, respectively. For the former case, the MI threshold is ∼110 mW, which agrees well with the theoretical value. However, for the latter case, the threshold is as high as ∼170 mW, which indicates that the MI threshold depends on the shape of the input spectrum and that the broadband spectrum has a higher threshold than the monochromatic one.
Abstract：We investigate modulation instability (MI) in the presence of a monochromatic spectrum and on the background of a broadband amplified spontaneous emission spectrum induced by an erbium-doped fiber amplifier, respectively. For the former case, the MI threshold is ∼110 mW, which agrees well with the theoretical value. However, for the latter case, the threshold is as high as ∼170 mW, which indicates that the MI threshold depends on the shape of the input spectrum and that the broadband spectrum has a higher threshold than the monochromatic one.
CHEN Wei,MENG Zhou**,ZHOU Hui-Juan,LUO Hong. Effects of Input Spectra on the Threshold of Modulation Instability in a Single-Mode Fiber[J]. 中国物理快报, 2012, 29(4): 44213-044213.
CHEN Wei,MENG Zhou**,ZHOU Hui-Juan,LUO Hong. Effects of Input Spectra on the Threshold of Modulation Instability in a Single-Mode Fiber. Chin. Phys. Lett., 2012, 29(4): 44213-044213.
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