Propagation in erbium and silicon codoped silica slab waveguides: analysis of gain
The feasibility of optical amplifying waveguides is investigated through the elaboration of silica films codoped with erbium ions and silicon nanograins. The waveguiding function is provided by the index contrast between the active and cladding layers whereas the amplification is achieved by an effi...
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| Veröffentlicht in: | Journal of physics. Condensed matter 2004-09, Vol.16 (36), p.6627-6638 |
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| container_issue | 36 |
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| container_title | Journal of physics. Condensed matter |
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| creator | Dufour, C Levalois, M Prassas, M Garrido, B Moreno, J Rizk, R |
| description | The feasibility of optical amplifying waveguides is investigated through the elaboration of silica films codoped with erbium ions and silicon nanograins. The waveguiding function is provided by the index contrast between the active and cladding layers whereas the amplification is achieved by an efficient interaction between silicon nanograins and erbium ions. Based on experimental results and theoretical studies, this paper aims at providing a detailed analysis of the optical gain expected in slab waveguides taking into account a lateral pumping scheme of the silicon nanograins, the energy transfer mechanism from silicon grains to erbium ions and finally the propagation equations within the active layer. The main parameters-such as erbium and silicon concentrations, device length and pumping power-have been examined. |
| doi_str_mv | 10.1088/0953-8984/16/36/028 |
| format | Article |
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| subjects | Chemical Sciences Computational Physics Condensed Matter Electromagnetism Engineering Sciences Exact sciences and technology Fundamental areas of phenomenology (including applications) Material chemistry Materials Materials Science Micro and nanotechnologies Microelectronics Optical elements, devices, and systems Optics Photonic Physics |
| title | Propagation in erbium and silicon codoped silica slab waveguides: analysis of gain |
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