Critical behavior with dramatic enhancement of modulational instability gain in fiber systems with periodic variation dispersion

Ambomo, S. ; Ngabireng, C. M. ; Dinda, Tchofo P. ; Labruyère, A. ; Porsezian, K. ; Kalithasan, B. (2008) Critical behavior with dramatic enhancement of modulational instability gain in fiber systems with periodic variation dispersion Journal of the Optical Society of America B, 25 (3). pp. 425-433. ISSN 0740-3224

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Official URL: http://www.opticsinfobase.org/josab/abstract.cfm?u...

Related URL: http://dx.doi.org/10.1364/JOSAB.25.000425

Abstract

We analyze modulational instability (MI) of light waves in fiber systems with periodically varying dispersion. The dispersion fluctuation generates special waves, called nonconventional MI sidebands, which are shown to be highly sensitive to two fundamental system parameters. The first one is the average dispersion of the system. Surprisingly, the second parameter turns out to be the mean value of the dispersion coefficients of the two types of fibers of the system, which is then called “central dispersion.” These two parameters are used to control and optimize the MI process. In particular, we establish the existence of a critical region of the central dispersion at which the power gain of the nonconventional sidebands undergoes a dramatic enhancement.

Item Type:Article
Source:Copyright of this article belongs to Optical Society of America.
ID Code:97662
Deposited On:13 May 2013 10:41
Last Modified:13 May 2013 10:41

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