2002
DOI: 10.1364/ol.27.001782
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Quasi-solitonic behavior of self-written waveguides created by photopolymerization

Abstract: We investigated the condition of unique self-written channel and multichannel propagation inside bulk photopolymerizable materials. Light was introduced in the medium by a single-mode optical fiber. At a very low beam power of 5 muW , a unique uniform-channel waveguide without any broadening was obtained by polymerization. When the input power is increased to 100 muW , the guide becomes chaotic and multichannel. We connected two fibers separated by a 1-cm distance. The results open the door to studies of the o… Show more

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Cited by 108 publications
(64 citation statements)
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“…As recent works show [12,13,14], light propagating in a photosensitive solution in which the refractive index of the polymer is higher than that of the initial formulation can experience self-focusing and propagate in a spatial soliton manner as it is the case in other materials such as Kerr [15] or photorefractive media [16,17]. Therefore, since the polymer component remains firmly attached to the optical fiber thanks to hydrogen bonds, it can be inferred that the component grown following this procedure will be an extension of the fiber core and that its optical function will be governed by its index and shape.…”
Section: Introductionmentioning
confidence: 86%
“…As recent works show [12,13,14], light propagating in a photosensitive solution in which the refractive index of the polymer is higher than that of the initial formulation can experience self-focusing and propagate in a spatial soliton manner as it is the case in other materials such as Kerr [15] or photorefractive media [16,17]. Therefore, since the polymer component remains firmly attached to the optical fiber thanks to hydrogen bonds, it can be inferred that the component grown following this procedure will be an extension of the fiber core and that its optical function will be governed by its index and shape.…”
Section: Introductionmentioning
confidence: 86%
“…RI of the final microbridge structure is the highest where intensity of the incident light beam is the largest. In this way a micro− bridge works as a waveguide with the core and the cladding [20]. By changing the first of the parameters mentioned above, the microbridge demonstrates different characteris− tics including proper optical losses or good mechanical strength.…”
Section: Resultsmentioning
confidence: 99%
“…Process of photo− polymerization progresses due to exposition of the mixture to the light and a polymer bridge appears as the junction between two fibres. The final structure of microbridges, their shape and width depend on the shape of guiding modes in structure, used light power, as well as exposure time [19,20,25]. Required length of the polymer junction can be obtained by moving apart fibres to a suitable distance.…”
Section: Experimental System Arrangementmentioning
confidence: 99%
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“…[24][25][26] Herein, in order to render permanent the nematicon structures in the medium while preserving the full versatility of the technique we decouple soliton generation from the material polymerization for the first time,…”
mentioning
confidence: 99%