Broderick, N.G.R., Taverner, D., Richardson, D.J., Ibsen, M. and Laming, R.I.
Experimental observation of nonlinear pulse compression in nonuniform Bragg gratings
Optics Letters, 22, (24), . (doi:10.1364/OL.22.001837).
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We demonstrate a scheme for optical pulse compression by cross-phase modulation that utilizes a nonuniform Bragg grating to work in reflection. Our scheme is similar to the conventional optical pushbroom, which works in transmission. This reflection geometry has the advantage of allowing the compressed signal to be observed easily, as it is spatially separate from the pump. This is to our knowledge the first nonlinear effect to be observed that requires a nonuniform grating.
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