高階非線性單模光纖中調(diào)制不穩(wěn)定性的產(chǎn)生和增長
PRODUCTION AND GROWTH OF MODULATION INSTA- BILITY IN MONOMODE OPTICAL FIBERS WITH HIGH-ORDER NONLINEARITY
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摘要: 基于趙陽等(1989)的工作,本文歸一化地給出了高階非線性下單模光纖中調(diào)制不穩(wěn)定性的產(chǎn)生條件和頻率范圍;得到了最大調(diào)制增長率的存在對光纖色散的要求。對數(shù)值例子的討論,得出了一些新的對實(shí)際應(yīng)用調(diào)制不穩(wěn)定性十分有用的結(jié)果。Abstract: Based on the work of Zhao Yang et al. (1989), the producing conditions and frequency domains of the modulation instability in monomode optical fibers with high-order nonlinearity are given in normalized form. The requirements of group velocity dispersion for the existence of maximal modulation growth are obtained. Some new results which are very useful in practical applications of the modulation instability are demonstrated by the numerical examples.
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Hasegawa A, Brinkman W F. IEEE J. of QE, 1980, QE-16(7): 694-697.[2][2][3]Tai K, Hasegawa A, Tomita A. Phys[J].Rev. Lett.1986, 56(2):135-138[4]Sudo S, Itoh H. Opt. Quart. Electron., 1990, 22(2): 187-212.[5]Nakazawa M, Suzuki K, Haus H A. IEEE J[J].QE.1989, 25(9):2036-2044[6]Kumar A, Sarkar S N, Ghatak A K. Opt. Lett., 1986, 11(5): 321-323.[7]Kumar A, Sodha M S. Electron[J].Lett.1987, 23(6):275-276[8]趙陽,楊祥林.物理學(xué)報(bào),1989,38(4):541-547. -
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