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Moison JM, Apetrei AM, Levenson JA, et al. Light transmission in multiple or single subwavelength trefoil channels of microstructured fibers. Opt Express. 2005;13(4):1193-201doi: 10.1364/opex.13.001193.
Moison, J. M., Apetrei, A. M., Levenson, J. A., Melin, G., Pedeboseq, P., Fleureau, A., Lempereur, S., & Gasca, L. (2005). Light transmission in multiple or single subwavelength trefoil channels of microstructured fibers. Optics express, 13(4), 1193-201. https://doi.org/10.1364/opex.13.001193
Moison, J M, et al. "Light transmission in multiple or single subwavelength trefoil channels of microstructured fibers." Optics express vol. 13,4 (2005): 1193-201. doi: https://doi.org/10.1364/opex.13.001193
Moison JM, Apetrei AM, Levenson JA, Melin G, Pedeboseq P, Fleureau A, Lempereur S, Gasca L. Light transmission in multiple or single subwavelength trefoil channels of microstructured fibers. Opt Express. 2005 Feb 21;13(4):1193-201. doi: 10.1364/opex.13.001193. PMID: 19494989.
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Opt Express. 2005 Feb 21;13(4):1193-201. doi: 10.1364/opex.13.001193.

Light transmission in multiple or single subwavelength trefoil channels of microstructured fibers.

Optics express

J M Moison, A M Apetrei, J A Levenson, G Melin, Ph Pedeboseq, A Fleureau, S Lempereur, L Gasca

PMID: 19494989 DOI: 10.1364/opex.13.001193

Abstract

We evaluate the trefoil channels present between the holes of microstructured fibers as a potential dense array of small waveguides. In channels with an inner radius of 330nm, calculations indicate possible propagation with a mode waist of ~350nm at lambda=670nm, near to the diffraction limit. Actual measurements have been performed on a 1-meter fiber section, with injection by a microlensed fiber and mapping of output by near-field scanning optical microscopy. They show that light can be output in individual channels or in several of them, depending on the injection. The observed waist is ~500nm, possibly due to experimental widening. Estimated propagation losses are <20dB/m. Since each channel occupies only 2microm2, this structure opens a way to dense parallel optical processing.

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