Nonlinear absorption and self-phase modulation in silicon optical fibres

P. Mehta, N. Healy, J. R. Sparks, T. D. Day, P. J.A. Sazio, J. V. Badding, A. C. Peacock

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Silicon optical fibres are generating much interest as a means to directly integrate semiconductor functionality within the fibre architecture to provide a platform for compact all optical signal processing. For example, the high optical nonlinearity of the core material opens up the potential for these fibres to be used for signal regeneration in very short device lengths. In this paper we characterise the nonlinear optical properties of a step index hydrogenated amorphous silicon (a-Si:H) optical fibre and demonstrate its use for broadband self-phase modulation (SPM). The fibre was fabricated using a high pressure chemical fluid technique [1] to deposit the semiconductor into the central hole of a silica capillary. The resulting fibre had a core diameter of 6m and a length of 1.5cm, with the linear transmission losses measured to be as low as 1.7dB/cm at 1550nm. As the effective nonlinear interaction length is reduced by the material loss, the realization of low losses is a necessary requirement for the observation of these processes.

Original languageEnglish (US)
Title of host publication2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011
DOIs
StatePublished - Sep 6 2011
Event2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011 - Munich, Germany
Duration: May 22 2011May 26 2011

Publication series

Name2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011

Other

Other2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011
CountryGermany
CityMunich
Period5/22/115/26/11

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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    Mehta, P., Healy, N., Sparks, J. R., Day, T. D., Sazio, P. J. A., Badding, J. V., & Peacock, A. C. (2011). Nonlinear absorption and self-phase modulation in silicon optical fibres. In 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011 [5942794] (2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011). https://doi.org/10.1109/CLEOE.2011.5942794