A
Alexei Chelnokov
Researcher at University of Grenoble
Publications - 71
Citations - 1502
Alexei Chelnokov is an academic researcher from University of Grenoble. The author has contributed to research in topics: Silicon photonics & Lasing threshold. The author has an hindex of 17, co-authored 62 publications receiving 1061 citations.
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Journal ArticleDOI
Efficient Directional Coupling between Silicon and Copper Plasmonic Nanoslot Waveguides: toward Metal−Oxide−Silicon Nanophotonics
Cécile Delacour,Sylvain Blaize,Philippe Grosse,Jean-Marc Fedeli,Aurélien Bruyant,Rafael Salas-Montiel,Gilles Lerondel,Alexei Chelnokov +7 more
TL;DR: The realization of key blocks for future plasmonic planar integrated optics, nano-optical couplers, and nanoslot waveguides that are compatible both with the silicon photonics and the CMOS microelectronics are reported on.
Journal ArticleDOI
Giant coupling effect between metal nanoparticle chain and optical waveguide.
Mickael Fevrier,Philippe Gogol,Abdelhanin Aassime,R. Megy,Cécile Delacour,Alexei Chelnokov,Aniello Apuzzo,Sylvain Blaize,Jean-Michel Lourtioz,Béatrice Dagens +9 more
TL;DR: It is demonstrated that the optical energy carried by a TE dielectric waveguide mode can be totally transferred into a transverse plasmon mode of a coupled metal nanoparticle chain, which opens the way to nanometer scale devices based on localized plasmons in photonic integrated circuits.
Journal ArticleDOI
GeSn Lasers Covering a Wide Wavelength Range Thanks to Uniaxial Tensile Strain
Jérémie Chrétien,Nicolas Pauc,Francesco Armand Pilon,Francesco Armand Pilon,Mathieu Bertrand,Q. M. Thai,Lara Casiez,Nicolas Bernier,H. Dansas,Patrice Gergaud,E. Delamadeleine,Rami Khazaka,Hans Sigg,Jérôme Faist,Alexei Chelnokov,Vincent Reboud,Jean-Michel Hartmann,Vincent Calvo +17 more
TL;DR: Silicon photonics continues to progress tremendously, both in near-infrared datacom/telecoms and in mid-IR optical sensing, despite the fact a monolithically integrated group IV semiconductor laser...
Journal ArticleDOI
Lasing in strained germanium microbridges.
F. Armand Pilon,F. Armand Pilon,A. Lyasota,Yann-Michel Niquet,Vincent Reboud,Vincent Calvo,Nicolas Pauc,Julie Widiez,Christopher Bonzon,J.M. Hartmann,Alexei Chelnokov,Jérôme Faist,Hans Sigg +12 more
TL;DR: Germanium (based) lasers are a promising route towards a fully CMOS-compatible light source, key to the further development of silicon photonics and finding a quantum efficiency close to 100%.
Journal ArticleDOI
Subwavelength Grating-Mirror VCSEL With a Thin Oxide Gap
TL;DR: In this paper, a new vertical-cavity surface-emitting laser (VCSEL) structure based on a subwavelength grating mirror and a thin oxide gap is suggested and numerically investigated.