All-optical inverter with one picojoule switching energy
- 17 January 1991
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 27 (2) , 130-132
- https://doi.org/10.1049/el:19910086
Abstract
An ultrafast inverter based on soliton dragging in optical fibres with a switching energy of only 1 pJ, which is the lowest switching energy of any all-optical device, is demonstrated. The inverter consists of a 30m length of moderately birefringent fibre followed by a 2km length of a polarisation maintaining fibre. The switching energy is lowered by separating the soliton dragging mechanisms in two different fibres and optimising the parameters in a time domain chirp switch that is based on time shift keying logic.Keywords
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