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Ge-rich SiGe waveguides for supercontinuum generation in the mid-IR
Author(s): J. M. Ramírez; S. Serna; V. Vakarin; Q. Liu; J. Frigerio; A. Ballabio; X. Le Roux; L. Vivien; E. Cassan; G. Isella; N. Dubreuil; D. Marris-Morini
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Paper Abstract

The third-order nonlinear parameter of Ge-rich SiGe waveguides are experimentally retrieved using a bi-directional top hat D-scan at λ = 1.58 μm. The obtained values are then used to fit the theoretical equation, providing promising values in the mid-IR, where the nonlinear effects are no longer limited by two-photon absorption. New Ge-rich SiGe waveguide designs are provided to exploit the nonlinear properties in the mid-IR, showing a flat anomalous dispersion over one octave spanning from λ = 3 µm to λ = 8 μm and a γ parameter that decreases from γ = 10 W-1m-1 .

Paper Details

Date Published: 22 May 2018
PDF: 6 pages
Proc. SPIE 10686, Silicon Photonics: From Fundamental Research to Manufacturing, 106860P (22 May 2018); doi: 10.1117/12.2306873
Show Author Affiliations
J. M. Ramírez, Ctr. de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Univ. Paris-Saclay (France)
S. Serna, Ctr. de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Univ. Paris-Saclay (France)
Lab. Charles Fabry, Institut d'Optique Graduate School, CNRS (France)
V. Vakarin, Ctr. de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Univ. Paris-Saclay (France)
Q. Liu, Ctr. de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Univ. Paris-Saclay (France)
J. Frigerio, Politecnico di Milano (Italy)
A. Ballabio, Politecnico di Milano (Italy)
X. Le Roux, Ctr. de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Univ. Paris-Saclay (France)
L. Vivien, Ctr. de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Univ. Paris-Saclay (France)
E. Cassan, Ctr. de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Univ. Paris-Saclay (France)
G. Isella, Politecnico di Milano (Italy)
N. Dubreuil, Lab. Charles Fabry, Institut d'Optique Graduate School, CNRS, Univ. Paris Saclay (France)
D. Marris-Morini, Ctr. de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Univ. Paris-Saclay (France)


Published in SPIE Proceedings Vol. 10686:
Silicon Photonics: From Fundamental Research to Manufacturing
Roel G. Baets; Peter O'Brien; Laurent Vivien, Editor(s)

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