Graded SiGe waveguides with broadband low-loss propagation in the mid infrared JM Ramirez, Q Liu, V Vakarin, J Frigerio, A Ballabio, X Le Roux, ...
Optics express 26 (2), 870-877, 2018
65 2018 Low-loss Ge-rich Si0.2 Ge0.8 waveguides for mid-infrared photonics JM Ramirez, V Vakarin, C Gilles, J Frigerio, A Ballabio, P Chaisakul, ...
Optics letters 42 (1), 105-108, 2017
58 2017 Ge-rich graded-index Si1- xGex waveguides with broadband tight mode confinement and flat anomalous dispersion for nonlinear mid-infrared photonics JM Ramirez, V Vakarin, J Frigerio, P Chaisakul, D Chrastina, X Le Roux, ...
Optics Express 25 (6), 6561-6567, 2017
45 2017 Erbium emission in MOS light emitting devices: from energy transfer to direct impact excitation JM Ramírez, FF Lupi, O Jambois, Y Berencén, D Navarro-Urrios, ...
Nanotechnology 23 (12), 125203, 2012
43 2012 Ultra-wideband Ge-rich silicon germanium integrated Mach–Zehnder interferometer for mid-infrared spectroscopy V Vakarin, JM Ramírez, J Frigerio, A Ballabio, X Le Roux, Q Liu, ...
Optics letters 42 (17), 3482-3485, 2017
36 2017 Intense green-yellow electroluminescence from Tb+ -implanted silicon-rich silicon nitride/oxide light emitting devices Y Berencén, R Wutzler, L Rebohle, D Hiller, JM Ramírez, JA Rodríguez, ...
Applied Physics Letters 103 (11), 111102, 2013
33 2013 Germanium-based integrated photonics from near-to mid-infrared applications D Marris-Morini, V Vakarin, JM Ramirez, Q Liu, A Ballabio, J Frigerio, ...
Nanophotonics 7 (11), 1781-1793, 2018
31 2018 Toward a 1.54 A Tengattini, D Gandolfi, N Prtljaga, A Anopchenko, JM Ramírez, FF Lupi, ...
Journal of Lightwave Technology 31 (3), 391-397, 2012
31 2012 Metal-nitride-oxide-semiconductor light-emitting devices for general lighting Y Berencén, J Carreras, O Jambois, JM Ramírez, JA Rodríguez, ...
Optics express 19 (103), A234-A244, 2011
31 2011 Er-doped light emitting slot waveguides monolithically integrated in a silicon photonic chip JM Ramírez, FF Lupi, Y Berencén, A Anopchenko, JP Colonna, ...
Nanotechnology 24 (11), 115202, 2013
30 2013 Mid-infrared sensing between 5.2 and 6.6 µm wavelengths using Ge-rich SiGe waveguides Q Liu, JM Ramirez, V Vakarin, X Le Roux, A Ballabio, J Frigerio, ...
Optical Materials Express 8 (5), 1305-1312, 2018
28 2018 Electroluminescence efficiencies of erbium in silicon-based hosts S Cueff, J Manel Ramírez, JA Kurvits, Y Berencen, R Zia, B Garrido, ...
Applied Physics Letters 103 (19), 191109, 2013
26 2013 Limit to the erbium ions emission in silicon-rich oxide films by erbium ion clustering N Prtljaga, D Navarro-Urrios, A Tengattini, A Anopchenko, JM Ramírez, ...
Optical Materials Express 2 (9), 1278-1285, 2012
25 2012 Carrier transport and electroluminescence efficiency of erbium-doped silicon nanocrystal superlattices JM Ramírez, Y Berencén, L López-Conesa, JM Rebled, F Peiró, B Garrido
Applied Physics Letters 103 (8), 081102, 2013
23 2013 Correlation between charge transport and electroluminescence properties of Si-rich oxide/nitride/oxide-based light emitting capacitors Y Berencén, JM Ramírez, O Jambois, C Domínguez, JA Rodríguez, ...
Journal of Applied Physics 112 (3), 033114, 2012
23 2012 Nonlinear Properties of Ge-rich Si 1− x Ge x Materials with Different Ge Concentrations S Serna, V Vakarin, JM Ramirez, J Frigerio, A Ballabio, X Le Roux, ...
Scientific reports 7 (1), 1-11, 2017
22 2017 Integrated broadband dual-polarization Ge-rich SiGe mid-infrared Fourier-transform spectrometer Q Liu, JM Ramirez, V Vakarin, X Le Roux, C Alonso-Ramos, J Frigerio, ...
Optics letters 43 (20), 5021-5024, 2018
18 2018 III-V-on-silicon integration: From hybrid devices to heterogeneous photonic integrated circuits JM Ramirez, H Elfaiki, T Verolet, C Besancon, A Gallet, D Néel, K Hassan, ...
IEEE Journal of Selected Topics in Quantum Electronics 26 (2), 1-13, 2019
16 2019 The electroluminescence mechanism of Er3+ in different silicon oxide and silicon nitride environments L Rebohle, Y Berencén, R Wutzler, M Braun, D Hiller, JM Ramírez, ...
Journal of Applied Physics 116 (12), 123104, 2014
14 2014 Bipolar pulsed excitation of erbium-doped nanosilicon light emitting diodes A Anopchenko, A Tengattini, A Marconi, N Prtljaga, JM Ramírez, ...
Journal of Applied Physics 111 (6), 063102, 2012
14 2012 
Vladyslav VakarinPostdoctoral researcher, Center for Nanoscience and Nanotechnology (C2N), OrsayDirección de correo verificada de u-psud.fr
