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Optimal design of a silicon-on-insulator nanowire waveguide for broadband wavelength conversion
2009 (English)In: Progress In Electromagnetics Research, ISSN 1070-4698, E-ISSN 1559-8985, Vol. 89, 183-198 p.Article in journal (Refereed) Published
Abstract [en]

The broadband wavelength conversion based on four-wave mixing in a silicon nanowire waveguide is theoretically investigated by taking into account the influence of the waveguide loss and free-carrier absorption on the phase-matched condition. The lossy wavelength conversion is compared with the lossless one in terms of conversion efficiency and bandwidth. The size of the silicon-on-insulator nanowire waveguide is optimized to be 400nm x 269nm for broadband wavelength conversion by realizing a flattened dispersion. The pump wavelength is also optimized to 1538.7nm in order to further enhance the conversion bandwidth. A 3-dB conversion bandwidth of over 280 nm is achieved in the optimized waveguide with the optimized pump wavelength.

Place, publisher, year, edition, pages
2009. Vol. 89, 183-198 p.
Keyword [en]
self-phase-modulation, dispersion, wires, chip
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-18356DOI: 10.2528/pier08120601ISI: 000265387900013ScopusID: 2-s2.0-59849124167OAI: diva2:336402

QC 20100525

Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2014-03-04Bibliographically approved

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Zhang, XiHe, Sailing
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