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Emilie Sakat

Émilie Sakat






CNRS Research Fellow




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Emilie Sakat is a CNRS researcher since 2016. She received her PhD thesis in 2013 on the « Spectral filtering in the midinfrared based on subwavelength gratings ». She obtained the Airbus Foundation’s award for her PhD. Then, she did a postdoc at Politecnico di Milano, where she was involved in a project aiming at using heavily-doped semiconductors for a plasmonic platform. One goal was to retrieve the optical properties of epitaxially grown n-Ge layers at IR frequency, beyond the assumption of the Drude model. She was also involved in a project with the Molecular Foundry in Berkeley dedicated to the fabrication and the characterization of an AFM tip apex functionalized with epitaxially grown n-Ge. Finally, she did a postdoc at LCF on thermal emission before entering at CNRS.

Key words : Plasmonics, Metasurfaces, Heavily-doped semiconductors, Infrared, Near-Field microscopy


Scientific production


  • Patents


[B1]    E. Sakat et al., Elément de filtrage optique angulaire pour le filtrage angulaire à sélectivité angulaire contrôlée, n° FR3007148, 2014-12-19.


  • Articles in peer-reviewed international journals


[A1]    E. Sakat et al., Guided mode resonance in subwavelength metallodielectric free-standing grating for bandpass filtering, Opt. Lett., 36, 3054, (2011)

[A2]    E. Sakat et al., Free-standing guided-mode resonance band-pass filters: from 1D to 2D structures, Opt. Express, 20, 13084, (2012)

[A3]    E. Sakat et al, Metal-dielectric bi-atom structure for angular-tolerant spectral filtering, Opt. Lett., 38, 4, (2013)

[A4]    L. Baldassarre*, E. Sakat*[1] et al., Midinfrared Plasmon-Enhanced Spectroscopy with Germanium Antennas on Silicon Substrates, Nano Lett., 15 (11), 7225–7231 (2015)

[A5]    P. Chevalier, P. Bouchon, E. Sakat et al., Extraordinary transmission in optical Helmholtz resonators, Opt. Lett., 40, 12 (2015)

[A6]    C. Tuambilangana, F. Pardo, E. Sakat et al., Two-mode model for metal-dielectric guided-mode resonance filters, Opt. Express, 23, 25, 31672 (2015)

[A7]    V. Giliberti, E. Sakat, et al., Three-dimensional fabrication of free-standing epitaxial semiconductor nanostructures obtained by focused ion beam, Microelectronic Engineering, 141, 168-172, (2015)

[A8]    A. Samarelli et al., Fabrication of mid-infrared plasmonic antennas based on heavily doped germanium thin films, Thin Solid Films, 602, 52-55 (2016)

[A9]    M.-P. Fischer et al., Optical Activation of Germanium Plasmonic Antennas in the Mid-Infrared, Phys. Rev. Lett., 117, 047401 (2016)

[A10]  E. Sakat et al., Time-resolved photoluminescence in gold nanoantennas , ACS  Photonics, 3, 8, 1489-1493 (2016)

[A11]  J. Frigerio et al., Tunability of the dielectric function of heavily doped germanium thin films for mid-infrared plasmonics, Phys. Rev. B, 94, 085202 (2016)

[A12]  M. Baselli et al., Plasmon-Enhanced Second Harmonic Generation: from Individual Antennas to Extended Arrays, Plasmonics, 1-6 (2017)

[A13]  M. Bollani et al., Photoluminescence emission from a nanofabricated scanning probe tip made of epitaxial germanium, Microelectronic Engineering, 159, 164-168, (2016)

[A14]  V. Giliberti, E. Sakat, et al., Functionalization of Scanning Probe Tips with Epitaxial Semiconductor Layers, Small Methods, (2017)

[A15]  E. Sakat et al., Near Field Microscopy with an Infrared-resonant Scanning Probe Tip: Imaging Free Carriers in ZnO Nanowires, Phys. Rev. Applied, 8, 054042 (2017)

[A16]  G. Barbillon, E. Sakat et al., True thermal antenna with hyperbolic metamaterials, Opt. Express, 25, 23356−23363 (2017)

[A17] B. Askenazi, A. Vasanelli, Y. Todorov, E. Sakat, J.-J. Greffet, G. Beaudoin, I. Sagnes, C. Sirtori , Midinfrared Ultrastrong Light–Matter Coupling for THz Thermal Emission, ACS photonics, American Chemical Society, 4 (10), pp.2550 – 2555 (2017).

[A18]  E. Sakat et al., Enhancing thermal radiation with nanoantennas to create infrared sources with high modulation rates, Optica, 5, 2, pp. 175-179 (2018)


  • Invited talks at conferences


[Ci1] E. Sakat et al., SPIE Photonics West 2013, San Francisco, USA (Oral)
[Ci2] E. Sakat et al., SPIE Photonics West 2017, San Francisco, USA (Oral)

[Ci3] E. Sakat et al., Congrès de la SFO 2018, Toulouse, France (Oral)


  • Conference proceedings


[P1]  E. Sakat et al., Infrared spectral filtering based on guided-mode resonance structure, Proc. SPIE 8424-38, (2012)

[P2]  G. Vincent, E. Sakat et al., Spectral filtering with subwavelength gratings: overview and latest advances, Proc. SPIE 8268-6, (2012)

[P3]  E. Sakat et al., Infrared spectral filters based on guided-mode resonance with subwavelength structures, Proc. SPIE 8631-74, (2013)

[P4]  E. Sakat et al., Analysis of propellant combustion with real-time multispectral infrared camera, Proc. SPIE 8704-2R, (2013)

[P5]  L. Baldassarre, E. Calandrini, A. Samarelli, K. Gallacher, D. J. Paul, J. Frigerio, G. Isella, E. Sakat, M. Finazzi, P. Biagioni, and M. Ortolani Mid-infrared plasmonic platform based on heavily doped epitaxial Ge-on-Si: retrieving the optical constants of thin Ge epilayers, proceedings IEEE-IRMMW-THz, (2014)

[P6]  J. Frigerio, M. Ortolani, L. Baldassarre, E. Calandrini, A. Samarelli, K. Gallacher, E. Sakat, M. Finazzi, D. J. Paul, P. Biagioni, and G. Isella, Mid-infrared plasmonic germanium antennas on silicon, Group IV Photonics, IEEE 11th International    Conference, (2014)

[P7]  P. Biagioni, E. Sakat, L. Baldassarre, E. Calandrini, A. Samarelli, K. Gallacher, J. Frigerio, G. Isella, D. J. Paul, M. Ortolani, Mid-infrared plasmonic resonances exploiting heavily-doped Ge on Si, Proc. SPIE-Photonics West, (2015)

[P8]  P. Biagioni, J. Frigerio, A. Samarelli, K. Gallacher, L. Baldassarre, E. Sakat, E. Calandrini, R. W. Millar, V. Giliberti, G. Isella, D. J. Paul and M. Ortolani, Group-IV midinfrared plasmonics, Journal of Nanophotonics, 9, (2015)


  • Articles in journals without peer-reviewing

[T1]  H.
Benisty, P. Bouchon, F. Marquier, E. Sakat, Dispositifs nanophotoniques pour l'émission thermique, Techniques de l'Ingénieur, 2018.


  • Talks at conferences


[C1]     E. Sakat et al., JNOG 2011, Marseille, France, (Poster)

[C2]     G. Vincent et al., SPIE Photonics West 2011, San Francisco, USA (Oral invité)

[C3]     E. Sakat et al., EOS Topical Meeting 2011, Capri, Italie (Oral)

[C4]     R. Haidar et al., SPIE Photonics Europe 2012, Bruxelles, Belgique (Oral invité)

[C5]     E. Sakat et al., SPIE Photonics Europe 2012, Bruxelles, Belgique (Oral)

[C6]     R. Haidar et al., SPIE Photonics West 2013, San Francisco, USA (Oral invité)

[C7]     E. Sakat et al., NFO13 2014, Salt Lake City, USA (Poster)

[C8]     E. Sakat et al., E-MRS Spring Meeting 2015, Lille (Oral)

[C9]     E. Sakat et al., SPP7 2015, Jerusalem (Oral)

[C10]   E. Sakat et al., GDR NanoTeraMir 2016, Paris, (Oral)

[C11]   E. Sakat et al., SPP8 2017, Taïwan (Oral)

[C12]   E. Sakat et al., EOS 2018, Delft (Oral)


  •  Seminars, workshops (as a CNRS Research Fellow)


[S1]     2nd meeting of the GDR NanoTeraMir 2016, ENS Paris

[S2]     GDR Ondes, Journées "Nouveaux systèmes périodiques / Instrumentation diffractive", 2016, Toulouse

[S3]     Workshop sur « Les materiaux 2D et leur héterostructures » 2018, Paris

[S4]     Workshop on “Correlated disorder and hyperuniformity in soft matter and photonics” 2018,  Paris

[S5]     Séminaire « Dernières (r)évolutions dans le domaine des détecteurs, du visible à   l'infrarouge » 2018, Paris





[1] * Contribution équivalente des deux auteurs.

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