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Enhanced UV third-harmonic generation in microfibers by controlling nonlinear phase modulations

Enhanced UV third-harmonic generation in microfibers by controlling nonlinear phase modulations
Enhanced UV third-harmonic generation in microfibers by controlling nonlinear phase modulations

The influence of nonlinear phase modulations on third-harmonic (TH) conversion in silica microfibers is experimentally demonstrated. By utilizing such influence, enhanced narrow-bandwidth ultraviolet TH is generated at a high signal-to-noise ratio (33 dB) and an average power of several hundred nanowatts. Detailed trends of TH power against input pump power were characterized with peak pump power up to 2.5 kW, and the results agree with predicted features, confirming that harmonic output could be optimized with adaptive control of the phase mismatch.

0146-9592
4191-4194
Jiang, Xiujuan
fb2d9967-8ae8-4ed0-9d33-9ab7ad334687
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Chen, Mengmeng
7123c670-4529-48c4-a9e9-f1b14d9f28c7
Sun, Qi
66e3c3df-5a60-4927-a47a-c4f6020c2fc0
He, Jing
b66c81f0-2d9b-449e-adc8-f88f7a038c7e
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Jiang, Xiujuan
fb2d9967-8ae8-4ed0-9d33-9ab7ad334687
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Chen, Mengmeng
7123c670-4529-48c4-a9e9-f1b14d9f28c7
Sun, Qi
66e3c3df-5a60-4927-a47a-c4f6020c2fc0
He, Jing
b66c81f0-2d9b-449e-adc8-f88f7a038c7e
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8

Jiang, Xiujuan, Lee, Timothy, Chen, Mengmeng, Sun, Qi, He, Jing and Brambilla, Gilberto (2019) Enhanced UV third-harmonic generation in microfibers by controlling nonlinear phase modulations. Optics Letters, 44 (17), 4191-4194. (doi:10.1364/OL.44.004191).

Record type: Article

Abstract

The influence of nonlinear phase modulations on third-harmonic (TH) conversion in silica microfibers is experimentally demonstrated. By utilizing such influence, enhanced narrow-bandwidth ultraviolet TH is generated at a high signal-to-noise ratio (33 dB) and an average power of several hundred nanowatts. Detailed trends of TH power against input pump power were characterized with peak pump power up to 2.5 kW, and the results agree with predicted features, confirming that harmonic output could be optimized with adaptive control of the phase mismatch.

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Enhanced UV third-harmonic generation in microfibers - Accepted Manuscript
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More information

Accepted/In Press date: 30 July 2019
e-pub ahead of print date: 22 August 2019
Published date: 1 September 2019

Identifiers

Local EPrints ID: 435855
URI: http://eprints.soton.ac.uk/id/eprint/435855
ISSN: 0146-9592
PURE UUID: cda3cb03-f97d-444f-a447-64e31ebf9ea5
ORCID for Qi Sun: ORCID iD orcid.org/0000-0002-0850-5463

Catalogue record

Date deposited: 21 Nov 2019 17:30
Last modified: 22 Nov 2019 01:26

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