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Optical Engineering

Novel dark-bright optical solitons conversion system and power amplification
Author(s): K. Sarapat; N. Sangwara; K. Srinuanjan; Preecha P. Yupapin; N. Pornsuwancharoen
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Paper Abstract

We propose a new system of the dark-bright solitons conversion using a micro- and nanoring resonators incorporating an optical add/drop filter, where the add/drop filter can be used to convert the dark soliton to a bright soliton. The key advantage of the system is that the detection of the dark soliton pulse is normally difficult due to the low level of input power. First, a dark soliton pulse is input into a microring resonator and then propagated into smaller micro- and nanoring resonators, respectively. Second, the add/drop filter is applied (connected) into the ring system, where the bright and dark solitons are obtained via the drop and through (or throughput) ports of the add/drop filter, respectively. The results obtained have shown that the detected soliton power can be controlled by the input soliton power and the ring resonator coupling coefficient, which is enough power to use in the transmission link. Thus, significant conversion-amplified signals can be achieved.

Paper Details

Date Published: 1 April 2009
PDF: 7 pages
Opt. Eng. 48(4) 045004 doi: 10.1117/1.3121563
Published in: Optical Engineering Volume 48, Issue 4
Show Author Affiliations
K. Sarapat, King Mongkut's Institute of Technology Ladkrabang (Thailand)
N. Sangwara, King Mongkut's Institute of Technology Ladkrabang (Thailand)
K. Srinuanjan, King Mongkut's Institute of Technology Ladkrabang (Thailand)
Preecha P. Yupapin, King Mongkut's Institute of Technology Ladkrabang (Thailand)
N. Pornsuwancharoen, Rajamangala Univ. of Technology Isan (Thailand)


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