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Strain induced by functional oxides for silicon photonics applications
Author(s): Guillaume Marcaud; Sylvia Matzen; Carlos Alonso-Ramos; Xavier Le Roux; Mathias Berciano; Pedro Damas; Thomas Maroutian; Guillaume Agnus; Ludovic Largeau; Eric Cassan; Delphine Marris-Morini; Philippe Lecoeur; Laurent Vivien
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Paper Abstract

The purpose of this work is to explore an alternative approach for high speed and low power consumption optical modulation based on the use of the Pockels effect in silicon. Unfortunately, silicon is a centro-symmetric crystal leading to a vanishing of the second order nonlinear coefficient, i.e. no Pockels effect. To overcome this limitation, on possibility would be to break the crystal symmetry by straining the silicon lattice with the epitaxial growth of crystalline functional oxides. Indeed, the induced strain due to lattice parameter mismatch and the difference in the thermal expansion coefficients between oxides and silicon are strong and may induce strong strain into silicon. Furthermore, functional oxides can exhibit very interesting multiferroicity and piezoelectricity properties that pave the way to a new route to implement silicon photonic circuits with unprecedented functionalities.

Paper Details

Date Published: 17 May 2017
PDF: 6 pages
Proc. SPIE 10242, Integrated Optics: Physics and Simulations III, 102420N (17 May 2017); doi: 10.1117/12.2265996
Show Author Affiliations
Guillaume Marcaud, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris Saclay (France)
Sylvia Matzen, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris Saclay (France)
Carlos Alonso-Ramos, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris Saclay (France)
Xavier Le Roux, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris Saclay (France)
Mathias Berciano, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris Saclay (France)
Pedro Damas, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris Saclay (France)
Thomas Maroutian, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris Saclay (France)
Guillaume Agnus, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris Saclay (France)
Ludovic Largeau, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris Saclay (France)
Eric Cassan, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris Saclay (France)
Delphine Marris-Morini, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris Saclay (France)
Philippe Lecoeur, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris Saclay (France)
Laurent Vivien, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris Saclay (France)


Published in SPIE Proceedings Vol. 10242:
Integrated Optics: Physics and Simulations III
Pavel Cheben; Jiří Čtyroký; Iñigo Molina-Fernández, Editor(s)

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