Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19835
Title: Optimal loop length of a nonlinear optical loop mirror in switching solitons
Authors: Man, WS
Tam, HY 
Demokan, MS
Keywords: All-optical
Cross-phase modulation
Demultiplexing
Nonlinear optical loop mirror
Solitons
Issue Date: 1998
Publisher: Institute of Electrical and Electronics Engineers
Source: Journal of lightwave technology, 1998, v. 16, no. 1, p. 100-105 How to cite?
Journal: Journal of lightwave technology 
Abstract: The optimal loop length of a nonlinear optical loop mirror (NOLM) for switching solitons was investigated numerically for the case where the wavelengths of the control pulse and signal soliton straddle the dispersion zero. In our analysis, the Raman effect is also included because the wavelength difference between the control and signal pulses is within the Raman gainband. It was found that the control pulse not only imposes phase shift on the copropagating signal, but also transfers part of its energy to the signal. Furthermore, the broadening of the control pulse due to the combined effect of self-phase modulation and group velocity dispersion increases the switching power of the control pulse significantly. The broadening of the control pulse also introduces more uniform phase shift to the signal, thus resulting in a higher switching efficiency. Finally, our results show that the pulse distortion is minimal if a loop length equivalent to one soliton period is employed.
URI: http://hdl.handle.net/10397/19835
ISSN: 0733-8724
EISSN: 1558-2213
DOI: 10.1109/50.654990
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