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Nonlinear microfiber loop resonators for resonantly enhanced third harmonic generation

Nonlinear microfiber loop resonators for resonantly enhanced third harmonic generation
Nonlinear microfiber loop resonators for resonantly enhanced third harmonic generation
We model and demonstrate resonantly enhanced third harmonic generation in microfiber loop resonators, in which the large pump field intensity is exploited to improve the conversion on resonance. Silica microfibers were fabricated with waist diameters near 0.76 µm to ensure intermodal phase matching. When pumped with λ = 1.55 µm 4 ns pulses at 100W peak power, the conversion efficiency is 3 x 10-6 over an estimated interaction length of ~1 mm near the waist. The resonator is then formed by manually translating and twisting the microfiber ends to produce loop diameters down to 6 mm and resonant enhancements up to 7.7 dB for the same pump parameters.
0146-9592
5121-5123
Ismaeel, Rand
c1fb0984-a4c0-484a-8aef-625d48a62086
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Ding, Ming
086b25a3-e5c3-4501-a90d-43d734e19344
Broderick, Neil G.R.
7a4d0b09-189a-4334-be7c-6afd80b7dc45
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Ismaeel, Rand
c1fb0984-a4c0-484a-8aef-625d48a62086
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Ding, Ming
086b25a3-e5c3-4501-a90d-43d734e19344
Broderick, Neil G.R.
7a4d0b09-189a-4334-be7c-6afd80b7dc45
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8

Ismaeel, Rand, Lee, Timothy, Ding, Ming, Broderick, Neil G.R. and Brambilla, Gilberto (2012) Nonlinear microfiber loop resonators for resonantly enhanced third harmonic generation. Optics Letters, 37 (24), 5121-5123. (doi:10.1364/OL.37.005121).

Record type: Article

Abstract

We model and demonstrate resonantly enhanced third harmonic generation in microfiber loop resonators, in which the large pump field intensity is exploited to improve the conversion on resonance. Silica microfibers were fabricated with waist diameters near 0.76 µm to ensure intermodal phase matching. When pumped with λ = 1.55 µm 4 ns pulses at 100W peak power, the conversion efficiency is 3 x 10-6 over an estimated interaction length of ~1 mm near the waist. The resonator is then formed by manually translating and twisting the microfiber ends to produce loop diameters down to 6 mm and resonant enhancements up to 7.7 dB for the same pump parameters.

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More information

Published date: 2012
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 350150
URI: http://eprints.soton.ac.uk/id/eprint/350150
ISSN: 0146-9592
PURE UUID: b2a2dd66-278b-466a-85e2-c8e4460c543d

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Date deposited: 19 Mar 2013 14:17
Last modified: 30 Jul 2018 16:31

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