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Optical pulse transforms using tapered optical fibres

Optical pulse transforms using tapered optical fibres
Optical pulse transforms using tapered optical fibres
A common problem in optics is optical pulse transformation which can be done in either the spatial or the temporal domain. In the spatial domain, beam reshaping has many different solutions from holography and phase plates to using a simple lens. Similarly in the temporal domain different solutions such as fibre Bragg gratings can be used to alter the profile of a pulse, producing square or parabolic pulses from a sech-shaped input for example. A common feature of all these schemes is the linear nature of the transformation which means that no new frequency components are introduced and thus for a transformed limited input pulse the transformed pulse will always be longer. If pulse compression and reshaping is desired then nonlinear effects must be introduced and in this paper I look at how to design long fibre tapers in order to control the output pulse characteristics in the nonlinear regime.
Broderick, N.G.R.
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Broderick, N.G.R.
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Broderick, N.G.R. (2011) Optical pulse transforms using tapered optical fibres. Lasers and Electro-Optics Europe/ European Quantum Electronics Conference(CLEO EUROPE/EQEC), Germany. 22 - 26 May 2011.

Record type: Conference or Workshop Item (Paper)

Abstract

A common problem in optics is optical pulse transformation which can be done in either the spatial or the temporal domain. In the spatial domain, beam reshaping has many different solutions from holography and phase plates to using a simple lens. Similarly in the temporal domain different solutions such as fibre Bragg gratings can be used to alter the profile of a pulse, producing square or parabolic pulses from a sech-shaped input for example. A common feature of all these schemes is the linear nature of the transformation which means that no new frequency components are introduced and thus for a transformed limited input pulse the transformed pulse will always be longer. If pulse compression and reshaping is desired then nonlinear effects must be introduced and in this paper I look at how to design long fibre tapers in order to control the output pulse characteristics in the nonlinear regime.

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Published date: 2011
Venue - Dates: Lasers and Electro-Optics Europe/ European Quantum Electronics Conference(CLEO EUROPE/EQEC), Germany, 2011-05-22 - 2011-05-26
Organisations: Optoelectronics Research Centre

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Local EPrints ID: 343036
URI: https://eprints.soton.ac.uk/id/eprint/343036
PURE UUID: d260b030-41d2-4630-acaf-c7d4d8206a11

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Date deposited: 21 Sep 2012 09:22
Last modified: 19 Aug 2019 16:33

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