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Resonantly enhanced second and third harmonic generation in microfibre loop resonators

Resonantly enhanced second and third harmonic generation in microfibre loop resonators
Resonantly enhanced second and third harmonic generation in microfibre loop resonators
Due to their strong modal confinement, optical microfibres (OMs) provide an excellent opportunity for studying nonlinear effects and in particular intermodally phase matched second (SHG) and third (THG) harmonic generation with predicted efficiencies up to 10-1 over several cm in an ideal uniform silica OM for both cases. Experimentally however, fabricating the required phase matching diameter uniformly over such lengths remains challenging. A simple solution is to reconfigure the OM as a resonator, such that pump recirculation near resonance increases conversion without the need for higher power sources or OM lengths greater than a few mm. Here, we theoretically study surface-SHG and THG in OM loop resonators by numerically solving the underlying coupled mode equations to determine the dependence of the enhancement on the resonance properties.
Lee, T.
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Broderick, N.G.R.
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Ismaeel, R.
c1fb0984-a4c0-484a-8aef-625d48a62086
Gouveia, M.A.
8ada4013-f50e-4d66-b485-f47ddf16cef2
Brambilla, G.
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Lee, T.
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Broderick, N.G.R.
4cfa2c7c-097a-48d6-b221-4e92ad1c6aea
Ismaeel, R.
c1fb0984-a4c0-484a-8aef-625d48a62086
Gouveia, M.A.
8ada4013-f50e-4d66-b485-f47ddf16cef2
Brambilla, G.
815d9712-62c7-47d1-8860-9451a363a6c8

Lee, T., Broderick, N.G.R., Ismaeel, R., Gouveia, M.A. and Brambilla, G. (2013) Resonantly enhanced second and third harmonic generation in microfibre loop resonators. CLEO-Europe/IQEC 2013, Munich, Germany. 12 - 16 May 2013.

Record type: Conference or Workshop Item (Poster)

Abstract

Due to their strong modal confinement, optical microfibres (OMs) provide an excellent opportunity for studying nonlinear effects and in particular intermodally phase matched second (SHG) and third (THG) harmonic generation with predicted efficiencies up to 10-1 over several cm in an ideal uniform silica OM for both cases. Experimentally however, fabricating the required phase matching diameter uniformly over such lengths remains challenging. A simple solution is to reconfigure the OM as a resonator, such that pump recirculation near resonance increases conversion without the need for higher power sources or OM lengths greater than a few mm. Here, we theoretically study surface-SHG and THG in OM loop resonators by numerically solving the underlying coupled mode equations to determine the dependence of the enhancement on the resonance properties.

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More information

e-pub ahead of print date: 2013
Additional Information: CK-P.14
Venue - Dates: CLEO-Europe/IQEC 2013, Munich, Germany, 2013-05-12 - 2013-05-16
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 365148
URI: http://eprints.soton.ac.uk/id/eprint/365148
PURE UUID: b4057602-a578-41ba-8279-eb747ca73593

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Date deposited: 27 May 2014 10:46
Last modified: 19 Jul 2019 21:12

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