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Efficient one-third harmonic generation in highly Germania-doped fibers enhanced by pump attenuation

Efficient one-third harmonic generation in highly Germania-doped fibers enhanced by pump attenuation
Efficient one-third harmonic generation in highly Germania-doped fibers enhanced by pump attenuation
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.
1094-4087
28403-28413
Huang, Tianye
802c90e3-cb40-4cf2-82f5-ef60d2169bf4
Shao, Xuguang
02d0b239-e3a1-4d8c-a7cd-07670b56969d
Wu, Zhifang
397f70a9-aed7-43c6-ab3c-e73303520730
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Sun, Yunxu
904d2d5c-e052-4e9e-85cd-6fec175775f6
Lam, Huy Quoc
1a97e1d4-2a11-4075-a4dd-2ddc482b268f
Zhang, Jing
d6afba24-5cbe-4ff1-967f-486e75419b99
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Ping, Shum
c994e082-a8f5-402e-8349-c9cafe38cdbf
Huang, Tianye
802c90e3-cb40-4cf2-82f5-ef60d2169bf4
Shao, Xuguang
02d0b239-e3a1-4d8c-a7cd-07670b56969d
Wu, Zhifang
397f70a9-aed7-43c6-ab3c-e73303520730
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Sun, Yunxu
904d2d5c-e052-4e9e-85cd-6fec175775f6
Lam, Huy Quoc
1a97e1d4-2a11-4075-a4dd-2ddc482b268f
Zhang, Jing
d6afba24-5cbe-4ff1-967f-486e75419b99
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Ping, Shum
c994e082-a8f5-402e-8349-c9cafe38cdbf

Huang, Tianye, Shao, Xuguang, Wu, Zhifang, Lee, Timothy, Sun, Yunxu, Lam, Huy Quoc, Zhang, Jing, Brambilla, Gilberto and Ping, Shum (2013) Efficient one-third harmonic generation in highly Germania-doped fibers enhanced by pump attenuation. Optics Express, 21 (23), 28403-28413. (doi:10.1364/OE.21.028403).

Record type: Article

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.

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Published date: 18 November 2013
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 360041
URI: http://eprints.soton.ac.uk/id/eprint/360041
ISSN: 1094-4087
PURE UUID: 3265001e-b83b-4096-8a94-dc0d45386e88

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Date deposited: 22 Nov 2013 13:23
Last modified: 06 Apr 2020 16:36

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Contributors

Author: Tianye Huang
Author: Xuguang Shao
Author: Zhifang Wu
Author: Timothy Lee
Author: Yunxu Sun
Author: Huy Quoc Lam
Author: Jing Zhang
Author: Shum Ping

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