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http://hdl.handle.net/10397/95551
Title: | Optimization strategy of power control for C+L+S band transmission using a simulated annealing algorithm | Authors: | Luo, H Lu, J Huang, Z Yu, C Lu, C |
Issue Date: | 3-Jan-2022 | Source: | Optics express, 3 Jan. 2022, v. 30, no. 1, p. 664-675 | Abstract: | To increase the transmission capacity, ultra-wideband wavelength-division multiplexing (UWB WDM) has been exploited to enlarge the spectral range. However, inter-channel stimulated Raman scattering (ISRS) results in power transition from high-frequency channels to low-frequency channels in wideband scenarios, which degrades the Q-factor of signals. Hence, we modify the optimization method of power control by applying the simulated annealing (SA) algorithm to search for the optimal power slopes and offsets of three bands to construct an optimum distribution of launch powers over channels. High transmission capacity can be reached by carrying 384 channels (96+96+192) in the C+L+S band with the consideration of dynamic Raman gain and channel-dependent parameters. We show that compared to using brute-force searching (BFS), a comparable and even higher transmission capacity can be achieved by the SA algorithm. Meanwhile, the searching speed of the SA algorithm is much faster. Also, different optimizing strategies can be selected to balance the trade-off between capacity and spectral flatness. This method can be used for designing arbitrary optical fiber UWB WDM systems before practical testing. | Publisher: | Optical Society of America | Journal: | Optics express | EISSN: | 1094-4087 | DOI: | 10.1364/OE.439635 | Rights: | © 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement (https://opg.optica.org/library/license_v1.cfm#VOR-OA) © 2021 Optica Publishing Group under the terms of the Open Access Publishing Agreement . Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved. The following publication Huaijian Luo, Jianing Lu, Zhuili Huang, Changyuan Yu, and Chao Lu, "Optimization strategy of power control for C+L+S band transmission using a simulated annealing algorithm," Opt. Express 30, 664-675 (2022) is available at https://doi.org/10.1364/OE.439635. |
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