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Opt Express. 2014 Apr 21;22(8):9667-74. doi: 10.1364/OE.22.009667.

Towards nonlinear conversion from mid- to near-infrared wavelengths using Silicon Germanium waveguides.

Optics express

Kamal Hammani, Mohamed A Ettabib, Adonis Bogris, Alexandros Kapsalis, Dimitris Syvridis, Mickael Brun, Pierre Labeye, Sergio Nicoletti, Periklis Petropoulos

PMID: 24787852 DOI: 10.1364/OE.22.009667

Abstract

We demonstrate the design, fabrication and characterization of a highly nonlinear graded-index SiGe waveguide for the conversion of mid-infrared signals to the near-infrared. Using phase-matched four-wave mixing, we report the conversion of a signal at 2.65 µm to 1.77 µm using a pump at 2.12 µm.

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