Publications de Kuang-Yu Yang | EPFL Graph Search

Second harmonic generation in glass-based metasurfaces using tailored surface lattice resonances

Olivier Martin, Fabien Sorin, Jérémy Butet, Wei Yan, Kuang-Yu Yang, Dang Tùng Nguyen, Andreas Leber, Chaoqun Dong

Dielectric metasurfaces have shown prominent applications in nonlinear optics due to strong field enhancement and low dissipation losses at the nanoscale. Chalcogenide glasses are one of the promising materials for the observation of nonlinear effects than ...

2021

Plasmonic Metasurfaces to Tailor Second Harmonic Generation

Kuang-Yu Yang

Second harmonic (SH) generation (SHG) in plasmonic nanostructures originates from the surface of centrosymmetric metals where inversion symmetry is broken. The interest in that topic stems from the strong near-field enhancement on the surface of plasmonic ...

EPFL2018

Fano-resonance-assisted metasurface for color routing

Olivier Martin, Chen Yan, Kuang-Yu Yang

Controlling the phase of an electromagnetic field using plasmonic nanostructures provides a versatile way to manipulate light at the nanoscale. Broadband phase modulation has been demonstrated using inhomogeneous metasurfaces with different geometries; how ...

2017

Enhancement Mechanisms of the Second Harmonic Generation from Double Resonant Aluminum Nanostructures

Olivier Martin, Kuang-Yu Yang, Jérémy Butet, Gabriel David Bernasconi, Chen Yan

2017

Wavevector-Selective Nonlinear Plasmonic Metasurfaces

Olivier Martin, Kuang-Yu Yang, Jérémy Butet, Chen Yan

Electromagnetic metasurfaces with strong non- linear responses and angular selectivity could o ff er many new avenues for designing ultrathin optics components. We investigated the optical second harmonic generation from plasmonic metasurfaces composed of ...

American Chemical Society (ACS)2017

New numerical methods for the design of efficient nonlinear plasmonic sources of light and nanosensors

Olivier Martin, Gabriel David Bernasconi, Jérémy Butet, Kuang-Yu Yang

During the last decade, important attention has been devoted to the observation of nonlinear optical processes in plasmonic nanosystems, giving rise to a new field of research called nonlinear plasmonics. The cornerstone of nonlinear plasmonics is the use ...

Spie-Int Soc Optical Engineering2016

Controlling the nonlinear optical properties of plasmonic nanoparticles with the phase of their linear response

Olivier Martin, Jérémy Butet, Kuang-Yu Yang, Gabriel David Bernasconi

We numerically investigate the second harmonic generation from different plasmonic systems and evidence the key role played in their nonlinear response by the phase at the fundamental wavelength. In the case of a single plasmonic nanorod, the interference ...

Optical Society of America2016

Maximizing Nonlinear Optical Conversion in Plasmonic Nanoparticles through Ideal Absorption of Light

Olivier Martin, Jérémy Butet, Kuang-Yu Yang, Shourya Dutta Gupta

The optimization of nonlinear optical processes in plasmonic structures is important for the design of efficient nonlinear nanosources of light. Considering the simple case of spherical nanoparticles, we clearly identify the most efficient channel for seco ...

Amer Chemical Soc2016

Plasmonic metasurfaces based on phase bifurcation

Olivier Martin, Chen Yan, Kuang-Yu Yang

2015

Second harmonic generation in plasmonic nanostructures: multiresonant nanoantennas and eigenmodes

Olivier Martin, Jérémy Butet, Gabriel David Bernasconi, Kuang-Yu Yang

2015