Mid-infrared plasmonic germanium antennas on silicon

Jacopo Frigerio (1) , Michele Ortolani (2) , Leonetta Baldassarre (3) , Eugenio Calandrini (2) , Antonio Samarelli (4) , Kevin Gallacher (4) , Emilie Sakat (5) , Marco Finazzi (5) , Douglas J Paul (4) , Paolo Biagioni (5) , Giovanni Isella (1)

1 Politecn Milan, LNESS Dipartimento Fis, I-22100 Como, Italy
2 Department of Physics [Roma La Sapienza]
3 Sapienza@IIT Laboratory - Center for Life Nano Science [Genova]
4 James Watt School of Engineering [Univ Glasgow]
5 INFM-Dipartimento di Fisica-Politecnico di Milano

We introduce an all-semiconductor platform for mid-infrared plasmonics based on epitaxial heavily-doped Ge-on-Si. We design, fabricate, and characterize plasmonic Ge antenna arrays to assess the potential of this platform for mid-infrared sensing applications.

Domains: Physics [physics]; Physics [physics]; Optics [physics.optics]

Jacopo Frigerio, Michele Ortolani, Leonetta Baldassarre, Eugenio Calandrini, Antonio Samarelli, et al.. Mid-infrared plasmonic germanium antennas on silicon. 2014 IEEE 11th International Conference on Group IV Photonics, Aug 2014, Paris, France. ⟨10.1109/Group4.2014.6962011⟩. ⟨hal-01699659⟩