RE.PUBLIC@POLIMI pubblicazioni di ricerca del Politecnico di Milano

BALLABIO, ANDREA
 Distribuzione geografica
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Continente #
NA - Nord America 7.199
AS - Asia 3.700
EU - Europa 3.621
SA - Sud America 696
AF - Africa 124
OC - Oceania 5
Continente sconosciuto - Info sul continente non disponibili 1
Totale 15.346
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Nazione #
US - Stati Uniti d'America 7.075
RU - Federazione Russa 1.537
SG - Singapore 1.386
CN - Cina 971
IT - Italia 701
BR - Brasile 590
VN - Vietnam 483
DE - Germania 212
KR - Corea 209
GB - Regno Unito 188
FR - Francia 186
AT - Austria 161
ES - Italia 135
HK - Hong Kong 134
JP - Giappone 131
FI - Finlandia 113
SE - Svezia 97
IE - Irlanda 87
CA - Canada 84
ID - Indonesia 74
IN - India 60
MA - Marocco 60
NL - Olanda 59
BD - Bangladesh 48
AR - Argentina 45
GR - Grecia 40
TW - Taiwan 36
PK - Pakistan 28
UA - Ucraina 27
PL - Polonia 21
BE - Belgio 20
JO - Giordania 18
MX - Messico 18
EC - Ecuador 17
IQ - Iraq 17
MU - Mauritius 14
PH - Filippine 13
TR - Turchia 11
VE - Venezuela 11
CH - Svizzera 10
SA - Arabia Saudita 10
ZA - Sudafrica 10
CI - Costa d'Avorio 9
TH - Thailandia 9
KE - Kenya 8
AE - Emirati Arabi Uniti 7
PY - Paraguay 7
UY - Uruguay 7
CL - Cile 6
DZ - Algeria 6
HN - Honduras 6
IL - Israele 6
CO - Colombia 5
CZ - Repubblica Ceca 5
EG - Egitto 5
JM - Giamaica 5
KZ - Kazakistan 5
NP - Nepal 5
PE - Perù 5
UZ - Uzbekistan 5
AU - Australia 4
AZ - Azerbaigian 4
BG - Bulgaria 4
BH - Bahrain 4
BJ - Benin 4
CR - Costa Rica 4
LB - Libano 4
AL - Albania 3
AM - Armenia 3
GE - Georgia 3
LT - Lituania 3
LV - Lettonia 3
MY - Malesia 3
TN - Tunisia 3
BB - Barbados 2
BO - Bolivia 2
HR - Croazia 2
LA - Repubblica Popolare Democratica del Laos 2
NO - Norvegia 2
PS - Palestinian Territory 2
PT - Portogallo 2
TJ - Tagikistan 2
AO - Angola 1
BS - Bahamas 1
CG - Congo 1
CY - Cipro 1
DO - Repubblica Dominicana 1
EU - Europa 1
GA - Gabon 1
GM - Gambi 1
GY - Guiana 1
IR - Iran 1
KG - Kirghizistan 1
LK - Sri Lanka 1
MO - Macao, regione amministrativa speciale della Cina 1
NG - Nigeria 1
NI - Nicaragua 1
NZ - Nuova Zelanda 1
PA - Panama 1
QA - Qatar 1
Totale 15.341
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Città #
Ashburn 1.155
Fairfield 683
Singapore 666
San Jose 598
Woodbridge 463
Seattle 297
Wilmington 297
Houston 285
Chandler 283
Milan 268
Cambridge 246
Ann Arbor 238
The Dalles 220
Moscow 216
Santa Clara 214
Seoul 198
Kent 187
Council Bluffs 184
Hefei 173
Vienna 146
Beijing 139
Ho Chi Minh City 130
Tokyo 121
Málaga 118
Hong Kong 114
Boardman 103
Lauterbourg 102
Los Angeles 93
Helsinki 84
London 84
Lawrence 82
Medford 81
Dearborn 75
Dallas 74
Hanoi 72
Dublin 66
Norwalk 57
Frankfurt am Main 55
Jakarta 53
New York 50
Ottawa 49
São Paulo 44
San Diego 42
Lucca 40
Kenitra 35
Orem 35
Shanghai 35
Redmond 34
Redwood City 31
Rome 31
Taipei 28
Dong Ket 27
Buffalo 24
Phoenix 24
Da Nang 23
Marburg 23
Rio de Janeiro 23
Menlo Park 22
North Charleston 21
Washington 21
Düsseldorf 20
Casablanca 19
Columbus 19
Nuremberg 18
Amman 17
Brussels 17
Chennai 17
Chicago 17
Livorno 17
Warsaw 17
Amsterdam 16
Montreal 16
Munich 16
Belo Horizonte 15
Guangzhou 15
Pisa 15
Haiphong 14
Brooklyn 13
Dhaka 13
Turku 13
Curitiba 12
Las Vegas 12
Brescia 11
Atlanta 10
Changsha 10
Mumbai 10
Tianjin 10
Abidjan 9
Bern 9
Lappeenranta 9
Lecco 9
Manaus 9
Porto Alegre 9
Seregno 9
Auburn Hills 8
Boston 8
Brasília 8
Bresso 8
Groningen 8
Hangzhou 8
Totale 9.892
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Nome #
Ge-Rich Graded-Index SiGe Alloys: Exploring a Versatile Platform for mid-IR Photonics 288
Ge-rich SiGe waveguides for mid-infrared photonics 265
Analysis of Ge micro-cavities with in-plane tensile strains above 2% 247
Voltage-tunable dual-band Ge/Si photodetector operating in VIS and NIR spectral range 236
Electro-refraction in standard and symmetrically coupled Ge/SiGe quantum wells 231
N-Ge on Si for mid-infrared plasmonic sensors 214
Mid-infrared plasmonic platform based on n-doped Ge-on-Si: Molecular sensing with germanium nano-antennas on Si 213
Composition determination of semiconductor alloys towards atomic accuracy by HAADF-STEM 213
Self-assembled Ge-on-Si microcrystals for single photon detection 212
CMOS-Compatible Bias-Tunable Dual-Band Detector Based on GeSn/Ge/Si Coupled Photodiodes 209
Tunability of the dielectric function of heavily doped germanium thin films for mid-infrared plasmonics 204
Ge micro-crystals photedetectors with enhanced infrared responsivity 201
Broadband integrated racetrack ring resonators for long-wave infrared photonics 200
Graphene/Ge microcrystal photodetectors with enhanced infrared responsivity 194
Low-loss Ge-rich Si0.2Ge0.8 waveguides for mid-infrared photonics 193
Graded SiGe waveguides with broadband low-loss propagation in the mid infrared 190
Broadband single mode SiGe graded waveguides with tight mode confinement for mid-infrared photonics 187
Broadband control of the optical properties of semiconductors through site-controlled self-assembly of microcrystals 187
GaAs nanostructures on Si platform 187
Probing the in-plane electron spin polarization in Ge/ Si0.15Ge0.85 multiple quantum wells 186
Broadband Mid-IR On-Chip Fourier-Transform Spectrometer 185
Sharp bends and Mach-Zehnder interferometer based on Ge-rich-SiGe waveguides on SiGe graded buffer 183
A singlet-triplet hole spin qubit in planar Ge 182
Optical Orientation and Inverse Spin Hall Effect as Effective Tools to Investigate Spin-Dependent Diffusion 180
Broadband mid infrared photonic integrated components using a Ge-rich SiGe platform 180
A compact Ge-rich graded-index SiGe platform with broadband low-loss propagation in the mid infrared 178
Characterization of integrated waveguides by atomic-force-microscopy-assisted mid-infrared imaging and spectroscopy 177
Mid-infrared intersubband absorption from p-Ge quantum wells grown on Si substrates 174
Electro-absorption and electro-refraction in Ge/SiGe coupled quantum wells 174
Dispositivo sensore di radiazione elettromagnetica a doppio fotodiodo 170
7.5-μm wavelength fiber-chip grating couplers for Ge-rich SiGe photonics integrated circuits 167
Photodetectors Based on 3D Self-Assembled Ge and Si Micro-Crystals 165
Polarization insensitive Ge-rich silicon germanium waveguides for optical interconnects on silicon 165
Ge-rich graded-index Si_1-xGex waveguides with broadband tight mode confinement and flat anomalous dispersion for nonlinear mid-infrared photonics 165
Germanium Quantum Wells for Non-Linear Integrated Photonics 164
On-chip Bragg grating waveguides and Fabry-Perot resonators for long-wave infrared operation up to 8.4 µm 163
Near‐Infrared Light Trapping and Avalanche Multiplication in Silicon Epitaxial Microcrystals 163
Cross-architecture tuning of silicon and SiGe-based quantum devices using machine learning 162
Heavily-doped germanium on silicon with activated doping exceeding 10^20cm^-3 as an alternative to gold for mid-infrared plasmonics 162
Design and Simulation of Ge-on-Si Photodetectors with Electrically Tunable Spectral Response 162
Ge/SiGe asymmetric quantum wells for second harmonic generation in the mid-infrared 162
1 GHz electro-optical silicon-germanium modulator in the 5-9 µm wavelength range 159
Ultra-wideband Ge-rich silicon germanium integrated Mach-Zehnder interferometer for mid-infrared spectroscopy 153
Broadband mid-infrared integrated electro-optic modulator based on a Schottky diode embedded in a graded SiGe waveguide 151
Design of mid-IR integrated cavity based on Ge-rich graded SiGe waveguides 150
On-chip Fourier-transform spectrometer based on spatial heterodyning tuned by thermo-optic effect 149
On-Chip Mid-Infrared Supercontinuum Generation from 3 to 13 μm Wavelength 146
Germanium-based integrated photonics from near- to mid-infrared applications 144
Ge-on-Si based mid-infrared plasmonics 144
Parity-conserving Cooper-pair transport and ideal superconducting diode in planar germanium 143
Self-Assembly of Nanovoids in Si Microcrystals Epitaxially Grown on Deeply Patterned Substrates 143
Solid-state dewetting dynamics of amorphous ge thin films on silicon dioxide substrates 141
Ge/SiGe parabolic quantum wells 140
Optical modulation in Ge-rich SiGe waveguides in the mid-infrared wavelength range up to 11 µm 139
Hole and electron spin lifetime in lightly n-doped silicon at low temperatures 138
Ge/SiGe quantum well for photonic applications: Modelling of the quantum confined Stark effect 138
Mid-infrared n-Ge on Si plasmonic based microbolometer sensors 138
Silicon germanium on graded buffer as a new platform for optical interconnects on silicon 137
Engineering large in-plane tensile strains in ge microdisks, microrings and racetrack optical cavities 135
Mid-infrared integrated wideband duel-polarization Fourier-transform spectrometer 134
Two-octaves mid-infrared supercontinuum generation in integrated SiGe waveguides 134
Dissolution of donor-vacancy clusters in heavily doped n-type germanium 133
Quantum confined Stark effect electroabsorption modulator on a SOI platform 132
Mid-infrared Integrated Electro-optic Modulator Operating up to 225 MHz between 6.4 and 10.7 μm Wavelength 132
Ge-rich graded SiGe waveguides and interferometers from 5 to 11 µm wavelength range 131
Site-controlled natural GaAs(111) quantum dots fabricated on vertical GaAs/Ge microcrystals on deeply patterned Si(001) substrates 130
Room Temperature-Integrated Photodetector between 5 mu m and 8 mu m Wavelength 128
Ge-rich silicon germanium as a new platform for optical interconnects on silicon 128
Nanostructured 3C-SiC on Si by a network of (111) platelets: a fully textured film generated by intrinsic growth anisotropy 127
DOUBLE PHOTODIODE ELECTROMAGNETIC RADIATION SENSOR DEVICE 125
Ge-rich SiGe-based wideband polarization insensitive photonic platform for mid-infrared free-space communications 124
GaAs epilayers grown on patterned (001) silicon substrates via suspended Ge layers 123
Nonlinear properties of Ge-rich SiGe waveguides 122
Optical properties of highly n-doped germanium obtained by in situ doping and laser annealing 121
Ge-rich graded-index Si1-xGex devices for MID-IR integrated photonics 121
Ge-rich SiGe waveguides for supercontinuum generation in the mid-IR 121
Integrated broadband dual-polarization Ge-rich SiGe mid-infrared Fourier-transform spectrometer 120
Mid-infrared intersubband absorption from p-Ge quantum wells on Si 119
Wideband Ge-Rich SiGe polarization-insensitive waveguides for mid-infrared free-space communications 119
Dynamics of Hole Singlet-Triplet Qubits with Large g-Factor Differences 119
Intersubband absorption in p-Ge QWs on Si 118
Dual-Band Ge-on-Si Photodetector Array With Custom, Integrated Readout Electronics 118
Ge-rich SiGe photonic-integrated circuits for mid-IR spectroscopy 116
Reduced-Pressure Chemical Vapor Deposition Growth of Isolated Ge Crystals and Suspended Layers on Micrometric Si Pillars 114
Third order nonlinear optical properties of Ge-Rich SiGe waveguides 113
Ge-rich graded-index Si1-xGex racetrack resonators for long-wave infrared photonics 113
Sensore ottico iperspettrale a semiconduttore 113
Automated long-range compensation of an rf quantum dot sensor 112
Ultra-wideband Ge-rich silicon germanium mid-infrared polarization rotator with mode hybridization flattening 112
In situ ohmic contact formation for n-type Ge via non-equilibrium processing 111
Mid-infrared sensing between 5.2 and 6.6 μm wavelengths using Ge-rich SiGe waveguides [Invited] 110
Nonlinear Properties of Ge-rich Si1-xGexMaterials with Different Ge Concentrations 107
Interfacial sharpness and intermixing in a Ge-SiGe multiple quantum well structure 107
Ex-situ doping of epitaxially grown Ge on Si by ion-implantation and pulsed laser melting 105
Modeling of second harmonic generation in hole-doped silicon-germanium quantum wells for mid-infrared sensing 102
Electrically Tunable Ge/Si VIS-Swir Photodetector 97
ELECTROMAGNETIC RADIATION SPECTRUM DETECTION SYSTEM 96
Mid-infrared second harmonic generation with Ge quantum wells 83
Mid-IR integrated cavity based on Ge-rich graded SiGe waveguides with lateral Bragg grating 82
Strain analysis of a Ge micro disk using precession electron diffraction 82
Totale 15.182
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Categoria #
all - tutte 46.407
article - articoli 25.758
book - libri 0
conference - conferenze 18.949
curatela - curatele 0
other - altro 0
patent - brevetti 1.700
selected - selezionate 0
volume - volumi 0
Totale 92.814
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/2021404 0 0 0 0 0 0 0 0 0 166 78 160
2021/2022800 11 20 61 72 138 54 25 74 69 68 107 101
2022/2023930 103 89 43 52 88 82 20 87 110 138 57 61
2023/2024612 20 81 51 51 38 56 51 67 21 62 5 109
2024/20252.247 10 23 46 60 322 140 99 198 302 161 464 422
2025/20267.198 1.365 1.332 295 761 362 307 1.174 442 483 677 0 0
Totale 15.551