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Development and applications of ytterbium-doped highly nonlinear holey optical fibres

Development and applications of ytterbium-doped highly nonlinear holey optical fibres
Development and applications of ytterbium-doped highly nonlinear holey optical fibres
We have fabricated an ytterbium doped holey fibre with an effective area of just 2.5µm2 at the laser wavelength (1.03µm) as shown in Fig.1(a). The fibres display huge birefringence at 1.55µm (beat length 0.3mm) owing to the high index contrast between the core and the cladding, the small dimensions, and the elliptical core shape. Using this fibre, we have demonstrated a low threshold and environmentally stable mode-locked laser using frequency feedback technique (see Fig.1 (b)). Furthermore, the fibre exhibits anomalous dispersion at the laser wavelength. Using this feature along with the high nonlinearity, we have also demonstrated broadly and continuously tunable Raman soliton generation by seeding with only pico-joule femtosecond pulses into the fibre. In a single pulse regime, the tuning range covers from 1.06 to 1.33µm, a region that is difficult to access using conventional solid state laser technology. In a multiple pulse regime, we have obtained femtosecond pulses as long as 1.58µm as shown in Fig.1(c).
Furusawa, K.
f84c2a9c-89d8-41a1-9d7a-b196fc4ed60c
Price, J.H.V.
fddcce17-291b-4d01-bd38-8fb0453abdc8
Monro, T.M.
4f0295a8-d9ec-45a5-b72b-72908f2549bb
Petropoulos, P.
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Furusawa, K.
f84c2a9c-89d8-41a1-9d7a-b196fc4ed60c
Price, J.H.V.
fddcce17-291b-4d01-bd38-8fb0453abdc8
Monro, T.M.
4f0295a8-d9ec-45a5-b72b-72908f2549bb
Petropoulos, P.
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Furusawa, K., Price, J.H.V., Monro, T.M., Petropoulos, P. and Richardson, D.J. (2001) Development and applications of ytterbium-doped highly nonlinear holey optical fibres. International Workshop on Nonlinear Photonic Crystals - Danish Technical University. 25 - 26 Oct 2001.

Record type: Conference or Workshop Item (Paper)

Abstract

We have fabricated an ytterbium doped holey fibre with an effective area of just 2.5µm2 at the laser wavelength (1.03µm) as shown in Fig.1(a). The fibres display huge birefringence at 1.55µm (beat length 0.3mm) owing to the high index contrast between the core and the cladding, the small dimensions, and the elliptical core shape. Using this fibre, we have demonstrated a low threshold and environmentally stable mode-locked laser using frequency feedback technique (see Fig.1 (b)). Furthermore, the fibre exhibits anomalous dispersion at the laser wavelength. Using this feature along with the high nonlinearity, we have also demonstrated broadly and continuously tunable Raman soliton generation by seeding with only pico-joule femtosecond pulses into the fibre. In a single pulse regime, the tuning range covers from 1.06 to 1.33µm, a region that is difficult to access using conventional solid state laser technology. In a multiple pulse regime, we have obtained femtosecond pulses as long as 1.58µm as shown in Fig.1(c).

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Published date: 2001
Venue - Dates: International Workshop on Nonlinear Photonic Crystals - Danish Technical University, 2001-10-25 - 2001-10-26

Identifiers

Local EPrints ID: 17117
URI: https://eprints.soton.ac.uk/id/eprint/17117
PURE UUID: 469f663b-4ec5-47b1-a342-16a8d6131a2d
ORCID for J.H.V. Price: ORCID iD orcid.org/0000-0003-0256-9172
ORCID for P. Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

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Date deposited: 15 Sep 2005
Last modified: 06 Mar 2019 01:37

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