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Non-silica microstructured optical fibers for mid-IR supercontinuum generation from 2 µm - 5 µm

Non-silica microstructured optical fibers for mid-IR supercontinuum generation from 2 µm - 5 µm
Non-silica microstructured optical fibers for mid-IR supercontinuum generation from 2 µm - 5 µm
We have performed numerical simulations to investigate the optimization of compound glass microstructured optical fibers for mid IR supercontinuum generation beyond the low loss transmission window of silica, using pump wavelengths in the range 1.55-2.25 µm.
Large mode area fibers for high powers, and small core fiber designs for low powers, are proposed for a variety of glasses. Modeling results showed that for Bismuth and lead oxide glasses, which have nonlinearities ~10 x that of silica, matching the dispersion profile to the pump wavelength is essential. For chalcogenide glasses, which have much higher nonlinearities, the dispersion profile is less important.
The pump pulses have duration of <1 ps, and energy <30 nJ. The fiber lengths required for generating continuum were <40 mm, so the losses of the fibers were not a limiting factor. Compared to planar rib-waveguides or fiber-tapers, microstructured fiber technology has the advantages of greater flexibility for tailoring the dispersion profile over a broad wavelength span, and a much wider possible range of device lengths.
Price, Jonathan H.V.
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Monro, Tanya M.
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Ebendorff-Heidepriem, Heike
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Poletti, Francesco
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Finazzi, Vittoria
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Leong, Julie Y.Y.
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Petropoulos, Periklis
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Flanagan, Joanne C.
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Brambilla, Gilberto
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Feng, Xian
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Richardson, David J.
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Price, Jonathan H.V.
fddcce17-291b-4d01-bd38-8fb0453abdc8
Monro, Tanya M.
20e60474-c0f6-4c5e-af89-e8bd3c6fc43c
Ebendorff-Heidepriem, Heike
83fc0e57-ee8c-4e7d-ab6f-5fd7074f4bc8
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Finazzi, Vittoria
948ad7dc-0c40-4159-a356-2a9727937473
Leong, Julie Y.Y.
4667ddfd-bc54-440d-a3a9-65862884361f
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Flanagan, Joanne C.
532a7428-0914-4354-9e63-471471d57126
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Feng, Xian
b1a28be8-c603-4239-9c93-b2c14274e9c7
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Price, Jonathan H.V., Monro, Tanya M., Ebendorff-Heidepriem, Heike, Poletti, Francesco, Finazzi, Vittoria, Leong, Julie Y.Y., Petropoulos, Periklis, Flanagan, Joanne C., Brambilla, Gilberto, Feng, Xian and Richardson, David J. (2006) Non-silica microstructured optical fibers for mid-IR supercontinuum generation from 2 µm - 5 µm. Photonics West 2006 and LASE 2006. 21 - 26 Jan 2006. (doi:10.1117/12.660942).

Record type: Conference or Workshop Item (Other)

Abstract

We have performed numerical simulations to investigate the optimization of compound glass microstructured optical fibers for mid IR supercontinuum generation beyond the low loss transmission window of silica, using pump wavelengths in the range 1.55-2.25 µm.
Large mode area fibers for high powers, and small core fiber designs for low powers, are proposed for a variety of glasses. Modeling results showed that for Bismuth and lead oxide glasses, which have nonlinearities ~10 x that of silica, matching the dispersion profile to the pump wavelength is essential. For chalcogenide glasses, which have much higher nonlinearities, the dispersion profile is less important.
The pump pulses have duration of <1 ps, and energy <30 nJ. The fiber lengths required for generating continuum were <40 mm, so the losses of the fibers were not a limiting factor. Compared to planar rib-waveguides or fiber-tapers, microstructured fiber technology has the advantages of greater flexibility for tailoring the dispersion profile over a broad wavelength span, and a much wider possible range of device lengths.

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More information

Published date: 2006
Additional Information: 6102-10 presented jointly to Conferences 6100 and 6102Has two titles; one in conference and one in proceedings (from same conference); Mid-IR supercontinuum generation in non-silica glass fibers
Venue - Dates: Photonics West 2006 and LASE 2006, 2006-01-21 - 2006-01-26

Identifiers

Local EPrints ID: 38220
URI: https://eprints.soton.ac.uk/id/eprint/38220
PURE UUID: 9372e36f-5e11-4b4f-9716-c821e3f06eb9
ORCID for Jonathan H.V. Price: ORCID iD orcid.org/0000-0003-0256-9172
ORCID for Francesco Poletti: ORCID iD orcid.org/0000-0002-1000-3083
ORCID for Periklis Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034
ORCID for David J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

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Date deposited: 20 Jun 2006
Last modified: 20 Jul 2019 01:24

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