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1 May 2014 Opportunities for Raman wavelength conversion with silicon microdisks
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In this paper, we numerically demonstrate the promise of silicon microdisks for Raman Stokes/anti-Stokes wavelength conversion. We design a silicon microdisk suitable for Raman wavelength conversion with “automatic” quasi-phase matching. We show that with this design and with a 2.5% incoupling efficiency for the pump and Stokes input, we can theoretically achieve wavelength conversion efficiencies up to 3.2 dB at input pump powers as low as 7.8 mW. Regarding fabrication tolerances of the design, we find that small deviations from the optimal cross coupling coefficient and from the condition for “automatic” quasi-phase matching are allowed without deteriorating the wavelength conversion efficiency.
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Iterio Degli-Eredi, Nathalie Vermeulen, and Hugo Thienpont "Opportunities for Raman wavelength conversion with silicon microdisks", Proc. SPIE 9136, Nonlinear Optics and Its Applications VIII; and Quantum Optics III, 91360G (1 May 2014);

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