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Four-Wave Mixing in Microwires to All-Optical Signal Processing in Mode-Division Multiplexing Systems

Fernandes, G. ; Muga, N. J. ; Pinto, A. N.

Fiber and Integrated Optics Vol. 34, Nº 1-2, pp. 38 - 52, March, 2015.

ISSN (print): 1096-4681
ISSN (online): 0146-8030

Scimago Journal Ranking: 0,24 (in 2015)

Digital Object Identifier: 10.1080/01468030.2015.1060276

Mode-division multiplexing requires all-optical signal processing techni- ques that are able to deal with a new coding dimension, the spatial mode. In this context, optical microwires emerge as a potential highly non-linear and multi-modal waveguide envisioning the development of all-optical signal processing devices to mode-division multiplexing systems based on the four-wave mixing process. The inter- and intramodal phase-matching conditions for the four-wave mixing process are mapped as a function of the microwire diameter and the wavelength of signals. Moreover, the efficiency of four-wave mixing considering a strong guiding regime is investigated.