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Progress In Electromagnetics Research
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OPTIMAL DESIGN OF A SILICON-ON-INSULATOR NANOWIRE WAVEGUIDE FOR BROADBAND WAVELENGTH CONVERSION

By X. Zhang, S. Gao, and S. He

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Abstract:
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-oninsulator nanowire waveguide is optimized to be 400nm × 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 280nm is achieved in the optimized waveguide with the optimized pump wavelength.

Citation:
X. Zhang, S. Gao, and S. He, "Optimal Design of a Silicon-on-Insulator Nanowire Waveguide for Broadband Wavelength Conversion," Progress In Electromagnetics Research, Vol. 89, 183-198, 2009.
doi:10.2528/PIER08120601
http://www.jpier.org/PIER/pier.php?paper=08120601

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