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Title: Efficient one-third harmonic generation in highly Germania-doped fibers enhanced by pump attenuation
Authors: Huang, Tianye
Shao, Xuguang
Wu, Zhifang
Lee, Timothy
Sun, Yunxu
Lam, Huy Quoc
Zhang, Jing
Brambilla, Gilberto
Shum, Perry Ping
Keywords: DRNTU::Science::Physics::Optics and light
Issue Date: 2013
Source: Huang, T., Shao, X., Wu, Z., Lee, T., Sun, Y., Lam, H. Q., et al. (2013). Efficient one-third harmonic generation in highly Germania-doped fibers enhanced by pump attenuation. Optics express, 21(23), 28403-28413.
Series/Report no.: Optics express
Abstract: We provide a comprehensive study on one-third harmonic generation (OTHG) in highly Germania-doped fiber (HGDF) by analyzing the phase matching conditions for the step index-profile and optimizing the design parameters. For stimulated OTHG in HGDF, the process can be enhanced by fiber attenuation at the pump wavelength which dynamically compensates the accumulated phase-mismatch along the fiber. With 500 W pump and 35 W seed power, simulation results show that a 31% conversion efficiency, which is 4 times higher than the lossless OTHG process, can be achieved in 34 m of HGDF with 90 mol. % GeO2 doping in the core.
ISSN: 1094-4087
DOI: 10.1364/OE.21.028403
Rights: © 2013 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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