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Polarization-Independent Wavelength Conversion Using an Angled-Polarization Pump in a Silicon Nanowire Waveguide
2010 (English)In: IEEE Journal of Selected Topics in Quantum Electronics, ISSN 1077-260X, E-ISSN 1558-4542, Vol. 16, no 1, 250-256 p.Article in journal (Refereed) Published
Abstract [en]

A proposal for polarization-independent wavelength conversion is presented based on four-wave mixing in a silicon nanowire waveguide using an angled-polarization pump. The principle of polarization independence is introduced and the theoretical model is established. The optimized incident pump polarization angle is obtained for different waveguide geometries, and a polarization-independent bandwidth of 64 nm is achieved with the efficiency fluctuation of less than 1 dB in a 285 nm x 650 nm silicon waveguide. The polarization-independent bandwidth is limited by the larger one of the TE- and TM-mode phase mismatches, and can be enhanced further by carefully tailoring the dispersion characteristics of the silicon nanowire waveguide.

Place, publisher, year, edition, pages
2010. Vol. 16, no 1, 250-256 p.
Keyword [en]
Nonlinear optics, optical frequency conversion, optical mixing, optical, planar waveguides, silicon on insulator technology, frequency-conversion, raman amplification, fiber, dispersion, chip, efficiency, design, light, laser, gain
URN: urn:nbn:se:kth:diva-19188DOI: 10.1109/jstqe.2009.2034755ISI: 000274382900029OAI: diva2:337235
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2013-11-19Bibliographically approved

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He, Sailing
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