6533b86ffe1ef96bd12cde88

RESEARCH PRODUCT

Broadband telecom to mid-infrared supercontinuum generation in a dispersion-engineered silicon germanium waveguide.

Jonathan H. V. PriceMohammad BelalDavid J. RichardsonEmerick LorentDimitris SyvridisMohamed A. EttabibAdonis BogrisSergio NicolettiPierre LabeyeKamal HammaniDavid ShepherdLin XuPeriklis PetropoulosAlexandros Kapsalis

subject

Waveguide (electromagnetism)Materials scienceFissionbusiness.industryPhysics::OpticsSoliton (optics)Atomic and Molecular Physics and OpticsSupercontinuumSilicon-germaniumchemistry.chemical_compoundOpticschemistryDispersion (optics)BroadbandFemtosecondbusinessTelecommunicationsNonlinear Sciences::Pattern Formation and Solitons

description

We demonstrate broadband supercontinuum generation (SCG) in a dispersion-engineered silicon-germanium waveguide. The 3 cm long waveguide is pumped by femtosecond pulses at 2.4 μm, and the generated supercontinuum extends from 1.45 to 2.79 μm (at the −30  dB point). The broadening is mainly driven by the generation of a dispersive wave in the 1.5–1.8 μm region and soliton fission. The SCG was modeled numerically, and excellent agreement with the experimental results was obtained.

10.1364/ol.40.004118https://pubmed.ncbi.nlm.nih.gov/26368726