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Coherently enhanced third-harmonic generation in cascaded microfibers

Coherently enhanced third-harmonic generation in cascaded microfibers
Coherently enhanced third-harmonic generation in cascaded microfibers
A scheme using cascaded silica microfibers is proposed for efficient third-harmonic (TH) generation. By tuning the phase difference via input pump power, the TH from the microfibers could overlap coherently, yielding great output enhancement. Conversion efficiency ∼20% is demonstrated analytically and numerically. Moreover, as the TH output features are dominated by behavior analogous to optical interference, the influence of random diameter deviation of each microfiber is reduced, and the conversion process could be well controlled.
third harmonic generation, Microfibers
0146-9592
3272–3275
Jiang, Xiujuan
8aac9d4c-0a1d-4ebf-aa8e-4732c6549eb2
Chen, Zhennan
3774279e-c2f6-4e2c-a2e3-342cd520bb18
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Jiang, Xiujuan
8aac9d4c-0a1d-4ebf-aa8e-4732c6549eb2
Chen, Zhennan
3774279e-c2f6-4e2c-a2e3-342cd520bb18
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8

Jiang, Xiujuan, Chen, Zhennan, Lee, Timothy and Brambilla, Gilberto (2020) Coherently enhanced third-harmonic generation in cascaded microfibers. Optics Letters, 45 (12), 3272–3275. (doi:10.1364/OL.389998).

Record type: Letter

Abstract

A scheme using cascaded silica microfibers is proposed for efficient third-harmonic (TH) generation. By tuning the phase difference via input pump power, the TH from the microfibers could overlap coherently, yielding great output enhancement. Conversion efficiency ∼20% is demonstrated analytically and numerically. Moreover, as the TH output features are dominated by behavior analogous to optical interference, the influence of random diameter deviation of each microfiber is reduced, and the conversion process could be well controlled.

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More information

Published date: 11 June 2020
Keywords: third harmonic generation, Microfibers

Identifiers

Local EPrints ID: 453724
URI: http://eprints.soton.ac.uk/id/eprint/453724
ISSN: 0146-9592
PURE UUID: c12d8b84-61dd-41d8-a68c-dd4e393df6e9
ORCID for Timothy Lee: ORCID iD orcid.org/0000-0001-9665-5578
ORCID for Gilberto Brambilla: ORCID iD orcid.org/0000-0002-5730-0499

Catalogue record

Date deposited: 21 Jan 2022 17:39
Last modified: 06 Jun 2024 01:39

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Contributors

Author: Xiujuan Jiang
Author: Zhennan Chen
Author: Timothy Lee ORCID iD
Author: Gilberto Brambilla ORCID iD

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