Abstract
The nonlinear optical transmission of an optical ring resonator (ORR)
operating in the soliton regime is investigated numerically. The
transmission and the average compression factor of the switched pulses
are analyzed. We present results of the study of the transmission
characteristics of short optical pulses in an optical ring resonator. We
show that the loss in the waveguide is leading to a decrease of the ORR
transmission of short pulses. The use of a linear increase profile of
the nonlinear index of refraction is leading to pulse compression or
broadening, depending on the pump power. Operating the ORR at higher
pump powers makes the compression factor to values around one. This is
an indication that the switched pulse has the same time duration of the
input pulse. For this configuration we can recover the ORR transmission,
associated to the lossless configuration, and the switched pulse present
the same time duration of the input pulse. The results are related to
the recovery of the lossless optical characteristics of the ORR. The
transmission characteristics and optical pulse shaping of the ORR will
be of interest in future optical circuits applications. (C) 2007
Elsevier Inc. All rights reserved.
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