Polarization and thickness dependent absorption properties of black phosphorus: new saturable absorber for ultrafast pulse generation D Li, H Jussila, L Karvonen, G Ye, H Lipsanen, X Chen, Z Sun Scientific reports 5 (1), 15899, 2015 | 380 | 2015 |
Ultra-strong nonlinear optical processes and trigonal warping in MoS 2 layers A Säynätjoki, L Karvonen, H Rostami, A Autere, S Mehravar, A Lombardo, ... Nature communications 8 (1), 893, 2017 | 238 | 2017 |
Rapid visualization of grain boundaries in monolayer MoS2 by multiphoton microscopy L Karvonen, A Säynätjoki, MJ Huttunen, A Autere, B Amirsolaimani, S Li, ... Nature communications 8 (1), 15714, 2017 | 154 | 2017 |
Optical harmonic generation in monolayer group-VI transition metal dichalcogenides A Autere, H Jussila, A Marini, JRM Saavedra, Y Dai, A Säynätjoki, ... Physical Review B 98 (11), 115426, 2018 | 140 | 2018 |
Investigation of second-and third-harmonic generation in few-layer gallium selenide by multiphoton microscopy L Karvonen, A Säynätjoki, S Mehravar, RD Rodriguez, S Hartmann, ... Scientific reports 5 (1), 10334, 2015 | 135 | 2015 |
Natural silk as a photonics component: a study on its light guiding and nonlinear optical properties S Kujala, A Mannila, L Karvonen, K Kieu, Z Sun Scientific reports 6 (1), 22358, 2016 | 119 | 2016 |
Rapid large-area multiphoton microscopy for characterization of graphene A Saynatjoki, L Karvonen, J Riikonen, W Kim, S Mehravar, RA Norwood, ... ACS nano 7 (10), 8441-8446, 2013 | 98 | 2013 |
Rapid and large-area characterization of exfoliated black phosphorus using third-harmonic generation microscopy A Autere, CR Ryder, A Saynatjoki, L Karvonen, B Amirsolaimani, ... The journal of physical chemistry letters 8 (7), 1343-1350, 2017 | 97 | 2017 |
Low-loss silicon slot waveguides and couplers fabricated with optical lithography and atomic layer deposition A Säynätjoki, L Karvonen, T Alasaarela, X Tu, TY Liow, M Hiltunen, ... Optics express 19 (27), 26275-26282, 2011 | 94 | 2011 |
Second and third harmonic generation in few-layer gallium telluride characterized by multiphoton microscopy J Susoma, L Karvonen, A Säynätjoki, S Mehravar, RA Norwood, ... Applied Physics Letters 108 (7), 2016 | 81 | 2016 |
Second-harmonic generation imaging of semiconductor nanowires with focused vector beams G Bautista, J Makitalo, Y Chen, V Dhaka, M Grasso, L Karvonen, H Jiang, ... Nano Letters 15 (3), 1564-1569, 2015 | 80 | 2015 |
Low-loss titanium dioxide strip waveguides fabricated by atomic layer deposition M Häyrinen, M Roussey, V Gandhi, P Stenberg, A Säynätjoki, L Karvonen, ... Journal of Lightwave Technology 32 (2), 208-212, 2013 | 75 | 2013 |
Enhancement of the third-order optical nonlinearity in ZnO/Al2O3 nanolaminates fabricated by atomic layer deposition L Karvonen, A Säynätjoki, Y Chen, H Jussila, J Rönn, M Ruoho, ... Applied Physics Letters 103 (3), 2013 | 45 | 2013 |
Atomic Layer Engineering of Er-Ion Distribution in Highly Doped Er:Al2O3 for Photoluminescence Enhancement J Ronn, L Karvonen, C Kauppinen, AP Perros, N Peyghambarian, ... Acs Photonics 3 (11), 2040-2048, 2016 | 44 | 2016 |
Ag nanoparticles embedded in glass by two-step ion exchange and their SERS application Y Chen, L Karvonen, A Säynätjoki, C Ye, A Tervonen, S Honkanen Optical Materials Express 1 (2), 164-172, 2011 | 43 | 2011 |
Angled sidewalls in silicon slot waveguides: conformal filling and mode properties A Säynätjoki, T Alasaarela, A Khanna, L Karvonen, P Stenberg, ... Optics Express 17 (23), 21066-21076, 2009 | 37 | 2009 |
Nonlinear microscopy using cylindrical vector beams: Applications to three-dimensional imaging of nanostructures G Bautista, JP Kakko, V Dhaka, X Zang, L Karvonen, H Jiang, ... Optics Express 25 (11), 12463-12468, 2017 | 35 | 2017 |
Tailorable second‐harmonic generation from an individual nanowire using spatially phase‐shaped beams L Turquet, JP Kakko, X Zang, L Naskali, L Karvonen, H Jiang, T Huhtio, ... Laser & Photonics Reviews 11 (1), 1600175, 2017 | 30 | 2017 |
High-quality crystallinity controlled ALD TiO2 for waveguiding applications T Alasaarela, L Karvonen, H Jussila, A Säynätjoki, S Mehravar, ... Optics letters 38 (20), 3980-3983, 2013 | 28 | 2013 |
Effect of atomic layer deposition on the quality factor of silicon nanobeam cavities M Gehl, R Gibson, J Hendrickson, A Homyk, A Säynätjoki, T Alasaarela, ... JOSA B 29 (2), A55-A59, 2012 | 27 | 2012 |